📖 ContentsChapter 6 · Case Management
Part IV Practical Exam · Chapter 6 · Case Management

Performing the Examination in a Station

An examination station rewards what the examiner can see and hear: a test performed with the correct hand placement, in the correct position, explained to the patient, and finished with the finding stated aloud. Knowing that Spurling test suggests a cervical radiculopathy earns nothing if you do it with the head in flexion and then say nothing. This chapter turns the vital signs, orthopedic and neurological examinations into performance routines you can run under time, safely, with the reasoning that tells you which tests deserve the minutes you have.

By the end of this chapter you can

  • Measure blood pressure, pulse and respiration with correct technique, recognize the common measurement errors, and interpret values against current adult categories.
  • Perform an efficient general inspection, posture and gait screen and state findings aloud in plain clinical language.
  • Perform the core cervical, thoracic, lumbar and pelvic orthopedic tests correctly and say what a positive finding is and what it suggests.
  • Perform the core shoulder, elbow, wrist and hand, hip, knee and ankle tests with correct positioning, and apply the Ottawa rules.
  • Run a regional neurological screen of dermatomes, myotomes and deep tendon reflexes, grade the findings, and check for upper motor neuron signs.
  • Perform rapid cranial nerve and cerebellar screens and know when they are mandatory.
  • Use sensitivity and specificity (SnNout and SpPin) and test clusters to choose a short, hypothesis driven test list.
  • Maintain draping, consent, communication and safety throughout, and stop testing when a finding changes the plan.

Section 1Vital signs and general examination performance

Why vital signs are scored

Vital signs are the first screen for systemic illness and the first safety check before manual care. A fever turns back pain into a possible infection, a very high blood pressure turns a neck adjustment into a referral, and a fast irregular pulse may be atrial fibrillation in a patient whose "dizziness" you were about to attribute to the neck. In a station, vitals may be given on the door card or you may be asked to measure them. When you measure them, examiners score technique step by step, so the routine must be exact. When they are given, read them and act on any abnormal value.

Blood pressure technique

Correct technique matters because small errors produce large, predictable distortions. Prepare the patient: seated with the back supported, feet flat, legs uncrossed, quiet for a few minutes, no talking during the reading, ideally no caffeine, exercise or smoking in the previous 30 minutes. Bare the upper arm (a sleeve pushed up can act as a tourniquet). Support the arm so the cuff is at heart level (mid sternum).

  1. Choose the cuff size. The bladder length should encircle about 80 percent of the arm and its width about 40 percent of the arm circumference. A cuff that is too small overestimates pressure; too large underestimates it.
  2. Place the cuff snugly with the bladder center (often marked with an arrow) over the brachial artery on the medial arm and the lower edge about 2 to 3 cm above the antecubital crease.
  3. Estimate systolic pressure by palpation. Palpate the radial (or brachial) pulse, inflate until it disappears, note that value, and deflate fully. This prevents missing an auscultatory gap, a silent interval in some hypertensive patients that can cause systolic pressure to be underestimated.
  4. Auscultate. Place the stethoscope bell or diaphragm lightly over the brachial artery in the antecubital fossa, not tucked under the cuff. Inflate to 20 to 30 mmHg above the palpated systolic value.
  5. Deflate at 2 to 3 mmHg per second. Faster deflation underestimates systolic and overestimates diastolic pressure.
  6. Read the Korotkoff sounds. The first appearance of repetitive tapping sounds (phase I) is systolic; the disappearance of sounds (phase V) is diastolic in adults. Record to the nearest 2 mmHg.
  7. Deflate fully, wait about a minute before repeating, and average two or more readings. At a first visit, measure both arms and use the higher arm thereafter; a consistent difference over about 10 to 15 mmHg suggests subclavian or aortic disease and is noteworthy in a patient with arm or neck symptoms.
Cuff and stethoscope position 2 to 3 cm Antecubital crease Bladder center over brachial artery Brachial artery Stethoscope Arm supported, cuff at heart level, bare arm, back supported, feet flat Korotkoff sounds Cuff pressure Time (2 to 3 mmHg per second) Phase I: first tapping = systolic Phase V: sounds vanish = diastolic (adults) Sounds
Figure 6.1 Blood pressure technique. The bladder center sits over the brachial artery with the lower edge 2 to 3 cm above the crease and the arm at heart level. As cuff pressure falls steadily, the first repetitive tapping (phase I) marks systolic pressure and the disappearance of sounds (phase V) marks diastolic pressure.
ErrorEffect on reading
Cuff too small for the armFalsely high
Cuff too largeFalsely low
Arm below heart levelFalsely high (hydrostatic pressure)
Arm above heart levelFalsely low
Unsupported arm or back, legs crossedFalsely high (isometric muscle work)
Talking during the reading, full bladder, recent caffeine or nicotineFalsely high
Cuff over clothingUnreliable, usually high
Deflating too fastSystolic underestimated, diastolic overestimated
No palpatory estimate, auscultatory gap presentSystolic underestimated
Single reading, no rest periodOften high (white coat effect, anxiety)

Interpreting blood pressure

The adult categories most commonly taught in the United States are: normal under 120/80; elevated 120 to 129 systolic with diastolic under 80; stage 1 hypertension 130 to 139 systolic or 80 to 89 diastolic; stage 2 hypertension 140 or higher systolic or 90 or higher diastolic. A reading over 180 systolic and/or 120 diastolic is a hypertensive crisis: with signs of target organ damage (chest pain, breathlessness, neurological deficit, visual change, confusion, severe headache) it is an emergency for which you call emergency services; without symptoms it calls for prompt medical evaluation and you should not proceed with manual therapy that day. Recheck any abnormal value after rest before acting, unless the patient is symptomatic. Very low blood pressure with dizziness, fainting or postural change also needs attention; orthostatic hypotension is a fall of 20 mmHg systolic or 10 mmHg diastolic within about three minutes of standing.

Pulse, respiration and temperature

Pulse: palpate the radial artery with the pads of the index and middle fingers (never the thumb, which has its own pulse). If the rhythm is regular, count for 30 seconds and double; if irregular, count a full 60 seconds and note whether it is regularly irregular or irregularly irregular (the latter suggests atrial fibrillation, a stroke risk factor). Normal resting adult rate is 60 to 100 beats per minute; note rate, rhythm and volume. Respiration: count for 30 to 60 seconds while appearing to still take the pulse, because patients change their breathing when they know it is being watched; normal adult rate is 12 to 20 breaths per minute. Note effort, accessory muscle use and pattern. Temperature: normal oral temperature is about 97.8 to 99.1°F (36.5 to 37.3°C), and 100.4°F (38.0°C) or higher is the usual threshold for fever. Pulse oximetry, height, weight and body mass index may also be part of the vitals in some stations.

Vital signAdult reference valueStation action if abnormal
Blood pressureUnder 120/80 normalRecheck; over 180/120 do not treat that day; with symptoms call emergency services
Pulse60 to 100 per minute, regularIrregularly irregular: suspect atrial fibrillation, ask about palpitations, anticoagulation, refer
Respirations12 to 20 per minuteTachypnea with chest pain or breathlessness: consider pulmonary embolus, pneumothorax, cardiac cause
TemperatureAbout 97.8 to 99.1°F100.4°F or higher with spine pain: infection screen, no manipulation, refer
Oxygen saturation95 percent or higher on room airUnder about 92 percent or falling: urgent medical evaluation

General inspection

Inspection starts when you enter the room: how the patient sits, stands, moves and speaks. Describe what you see in neutral, specific terms. Look at general appearance (distress, pallor, sweating, body habitus), posture in three views (head carriage, shoulder and iliac crest levels, scoliosis, kyphosis, lordosis, antalgic lean), gait (antalgic, Trendelenburg, steppage, ataxic, spastic, shuffling), skin (scars, bruising, rashes such as the dermatomal vesicles of herpes zoster, cafe au lait spots, hair tufts over the spine) and muscle bulk (atrophy of the thenar eminence, quadriceps or calf, fasciculations). An antalgic lean away from the painful side has traditionally been linked to a disc lesion lateral to the nerve root and a lean toward it to a medial (axillary) lesion; treat that rule as a teaching heuristic rather than a reliable localizer.

Then palpate and assess range of motion: active range first (willingness and pattern), then passive range where needed (end feel), and resisted isometric testing to separate contractile from inert tissue. Palpate for midline bony tenderness (a fracture screen after trauma), step offs, muscle spasm, trigger points, temperature and swelling.

Verbalizing findings

Examiners cannot score a finding they do not hear. As you finish each test, state the result in one sentence that names the test, the side and the finding: "Right Kemp test produces local right low back pain without leg radiation, suggesting a facet source." Normal findings are stated too: "Blood pressure 124 over 78, right arm, seated. Pulse 72 and regular. Respirations 14. No midline bony tenderness from T10 to the sacrum." In a station where the SP cannot simulate a sign (an absent reflex, a fever), the examiner may hand you a card or tell you the finding when you perform the test correctly; you then state its significance.

StepWhat you doWhat you say aloud
1. Explain and consentDescribe the blood pressure check"I am going to check your blood pressure. The cuff will squeeze your arm for a moment. Is that all right?"
2. PositionSeat, support back and arm, feet flat, bare arm"Please sit back, keep your feet flat and let your arm rest here."
3. CuffSize, place over brachial artery, 2 to 3 cm above crease"This is the right size cuff for your arm."
4. Palpatory estimateInflate until radial pulse disappears, deflate"First I will feel your pulse as the cuff inflates."
5. AuscultateInflate 20 to 30 above estimate, deflate 2 to 3 per second(Silent while listening)
6. ReportState reading, arm, position"Your blood pressure is 136 over 84 in the right arm while seated. That is in the stage 1 range, so I would like to recheck it."
7. Pulse and respirationRadial pulse 30 seconds; count respirations without announcing it"Pulse 76 and regular. Respirations 16."
Board tip. The two most tested blood pressure errors are cuff size (too small reads high) and arm position (below heart level reads high). The most tested step that candidates skip is the palpatory estimate before auscultation, which protects against the auscultatory gap.
Case. Door card: Gerald Whitman, 63, male. "Neck pain and stiffness for a week." Task: measure vital signs and perform a focused examination.
Reasoning: Explain the blood pressure check and get consent. Seat him with back and arm supported, feet flat, bare the arm, choose a large cuff for his muscular arm, palpate the systolic estimate (about 190), inflate to 220, deflate at 2 to 3 mmHg per second: 186/112. Say it aloud. Pulse is 88 and irregularly irregular; respirations 16. Ask about headache, chest pain, breathlessness, visual change, weakness or confusion: he has a mild headache only. After a few minutes of rest the recheck is 182/110. Critical actions: do not proceed to cervical manipulation; explain that the blood pressure is in the crisis range and the pulse is irregular, that both need medical evaluation today, and that if any chest pain, breathlessness, weakness, speech or vision change occurs he should call emergency services; arrange same day medical assessment; document the readings, arm, position and advice. Had he reported a neurological symptom or chest pain, the action would be an immediate emergency call.
Key point

Vital signs are both a skill station and a safety screen. Prepare the patient, choose the right cuff, place it over the brachial artery at heart level, estimate systolic by palpation, deflate at 2 to 3 mmHg per second, and read phases I and V. Count pulse and respiration properly, inspect systematically, and say every finding, normal or abnormal, out loud.

Section 2Spinal orthopedic test performance

The performance rules for every orthopedic test

Every test has the same five beats: explain what you will do and that it may reproduce symptoms, position the patient correctly, perform the maneuver with correct hand placement and controlled force, ask a neutral question ("What do you feel, and where?"), and state the result and its meaning. Test the uninvolved side first when practical, so the patient knows what to expect and you have a comparison. Stop immediately if the test produces severe pain, neurological symptoms, dizziness or any sign of vascular compromise. Never force a provocative cervical test in a patient whose history suggests instability, fracture or vascular disease; the safest test is the one you do not need.

Cervical tests

TestHow to perform itPositive findingSuggests
Foraminal compressionSeated, head neutral or laterally flexed toward the symptomatic side; press straight down on the vertexRadiating arm pain on that side; local pain only is less specificForaminal encroachment, nerve root irritation; local pain suggests facet
Spurling (maximal foraminal compression variants)Extend, laterally flex and rotate the head toward the symptomatic side, then apply gentle axial pressure; stop at symptom reproductionReproduction of radiating arm pain in a dermatomal patternCervical radiculopathy; high specificity, modest sensitivity
Jackson compressionLaterally flex the head to each side and press downRadiating pain on the side of flexionNerve root compression; local pain suggests facet
DistractionOne hand under the occiput, one under the chin; lift gentlyRelief of arm or neck pain (positive); increased pain suggests muscle or ligament strainRelief supports foraminal or root compression
Shoulder depressionLaterally flex the head away and depress the opposite shoulderRadiating pain on the stretched side; pain on the compressed side suggests foraminal encroachmentDural sleeve adhesion, root tension, brachial plexus traction
Bakody (shoulder abduction relief)Patient places the palm of the symptomatic arm on top of the headRelief of arm painRoot compression, often around C5 to C6, rather than a shoulder lesion
ValsalvaSeated, patient bears down as if strainingSpinal or radiating painSpace occupying lesion: disc, osteophyte, tumor
Upper limb tension test A (median nerve bias)Supine; scapular depression, shoulder abduction, forearm supination, wrist and finger extension, shoulder external rotation, elbow extension, then contralateral neck side bendReproduction of symptoms, side to side difference, change with neck positionNeural tension; high sensitivity for cervical radiculopathy
Lhermitte signSeated or supine; passively flex the neck (with or without hip flexion)Electric shock sensation down the spine or into the limbsCervical cord lesion: myelopathy, multiple sclerosis
Soto HallSupine; stabilize the sternum and passively flex the neckLocalized posterior painPosterior ligament or vertebral body injury; positive after trauma means stop and image

The Wainner clinical prediction rule for cervical radiculopathy combines four findings: a positive upper limb tension test A, a positive Spurling test, a positive distraction test, and cervical rotation under 60 degrees toward the involved side. Three positives make radiculopathy considerably more likely, and four positives make it very likely. Use the cluster as the frame for your cervical neurological examination.

Vertebral artery screening. Positional tests that hold the neck in sustained extension and rotation (often called George test, Maigne or DeKleyn variants) have poor diagnostic accuracy and do not reliably predict who will suffer an adverse event; current guidance emphasizes the history (new severe neck pain or headache, brainstem symptoms), vital signs, the cranial nerve and cerebellar screen and clinical reasoning. If your program or the station expects a positional test, perform it gently, in a position you would use for treatment, watching the eyes for nystagmus and asking about dizziness, and stop at the first symptom. Do not present a negative test as clearance for cervical manipulation.

0 to about 35° slack taken up About 35 to 70° maximal root tension: radiating leg pain suggests disc / root Over about 70° hamstring, sacroiliac or lumbar joint pain Braggard: lower below pain, then dorsiflex Supine, knee straight, raise passively; ask where the pain is felt and at what angle. Back or buttock pain alone is not a positive radicular test.
Figure 6.2 The straight leg raise. Commonly taught zones: up to about 35 degrees of hip flexion takes up slack, about 35 to 70 degrees places maximal tension on the L5 and S1 roots so reproduction of radiating leg pain here suggests root irritation, and pain beyond about 70 degrees is more often from hamstrings, the sacroiliac joint or lumbar joints. Braggard sensitizes the test with dorsiflexion.

Thoracic tests

TestHow to perform itPositive finding and meaning
Adams forward bendStanding, feet together, bend forward with arms hanging; view from behind at eye levelRib hump or paraspinal prominence: structural scoliosis with vertebral rotation; a curve that disappears suggests functional scoliosis
Chest expansionTape at the fourth intercostal space; measure full exhalation and full inspirationExpansion under about 2.5 cm (1 inch) suggests costovertebral restriction, as in ankylosing spondylitis; normal adult is roughly 5 cm or more
Rib springing (rib motion)Prone or side lying; spring each rib angleLocalized pain or restriction: rib fracture, costovertebral dysfunction; avoid in suspected fracture or osteoporosis
SchepelmannSeated, arms overhead, bend laterally each wayPain on the concave side: intercostal neuritis; pain on the convex side: intercostal muscle or fibrous pleural irritation
Beevor signSupine, partial sit up with arms crossed; watch the umbilicusUmbilicus moves upward: weak lower abdominals from a lesion around T10 to T12
AdsonSeated; palpate radial pulse, extend and rotate the head toward the tested side, deep breath heldDiminished pulse with symptom reproduction: scalene compression of the subclavian artery (thoracic outlet)
Eden (costoclavicular)Shoulders drawn back and down (military posture), pulse monitoredDiminished pulse and symptoms: costoclavicular compression
Wright (hyperabduction)Arm hyperabducted overhead, pulse monitoredDiminished pulse and symptoms: pectoralis minor compression
Roos elevated arm stress testArms abducted 90 degrees with elbows flexed 90 degrees; open and close the hands for up to 3 minutesEarly fatigue, heaviness, paresthesia: thoracic outlet syndrome (neurogenic or vascular)

Pulse diminution alone is common in healthy people during the thoracic outlet tests; the finding that counts is reproduction of the patient's symptoms. In the thoracic region, remember the visceral mimics from Chapter 5: if the examination does not reproduce thoracic pain mechanically, say so and consider a nonmusculoskeletal source.

Lumbar tests

TestHow to perform itPositive finding and meaning
Straight leg raise (Lasegue)Supine, knee straight, raise the leg passively by the heelRadiating pain below the knee, usually between about 35 and 70 degrees: L5 or S1 root tension, disc herniation; high sensitivity
BraggardAfter a positive SLR, lower the leg until pain eases, then dorsiflex the footReturn of radiating pain: sciatic nerve tension rather than hamstring
Crossed (well leg) SLRRaise the asymptomatic legPain in the symptomatic leg: large or medial (axillary) disc herniation; high specificity
SlumpSeated; slump the thoracolumbar spine, flex the neck, extend the knee, dorsiflex the foot; release neck flexionSymptom reproduction that eases when the neck is extended: neural tension
BechterewSeated; extend one knee, then the other, then bothRadiating pain or leaning back to avoid it: sciatic tension, disc lesion
KempStanding or seated; extend, rotate and laterally bend toward each side, with gentle downward pressure through the shouldersLocal pain: facet; radiating leg pain: foraminal or lateral disc encroachment
MilgramSupine; raise both straight legs about 2 inches and hold up to 30 secondsInability to hold or pain: intrathecal or intradiscal pressure lesion (also affected by abdominal strength)
ValsalvaSeated, bear downLow back or leg pain: space occupying lesion
Femoral nerve stretch (prone knee bend)Prone; flex the knee, optionally extend the hipAnterior thigh pain: L2 to L4 root irritation; distinguish from rectus femoris tightness
Schober (modified)Mark the lumbosacral junction (dimples of Venus line) and points 10 cm above and 5 cm below; measure in full flexionIncrease under about 5 cm: reduced lumbar flexion, as in ankylosing spondylitis

Pelvic and sacroiliac tests

No single sacroiliac test is reliable, but a cluster is useful. The commonly taught Laslett cluster uses five provocation tests: distraction, thigh thrust, compression, sacral thrust and Gaenslen. Three or more positives of five (or two of the first four, with the thigh thrust included) support the sacroiliac joint as the pain source, particularly when centralization with repeated movements is absent.

TestHow to perform itPositive finding and meaning
Distraction (gapping)Supine; press posterolaterally on both anterior superior iliac spinesReproduction of sacroiliac pain
CompressionSide lying; press down on the uppermost iliac crestReproduction of sacroiliac pain
Thigh thrust (posterior shear)Supine, hip flexed 90 degrees; axial pressure down the femur with the sacrum supportedReproduction of buttock pain on that side
Sacral thrustProne; downward pressure on the sacrumReproduction of sacroiliac pain
GaenslenSupine at the table edge; flex one hip to the chest and lower the other leg off the edge into extensionPain in the sacroiliac joint of the extended side
Patrick FABERESupine; figure four position, press down on the flexed knee and opposite ASISGroin pain: hip joint; posterior pain: sacroiliac joint
YeomanProne; flex the knee and extend the hipSacroiliac pain: anterior sacroiliac ligament; lumbar pain: lumbar facet; anterior thigh: femoral or rectus
HooverSupine; hands under both heels while the patient lifts the symptomatic legNo downward pressure from the opposite heel: incomplete effort; a nonorganic sign, not proof of malingering

The Waddell signs (nonorganic tenderness, simulation, distraction, regional disturbance, overreaction) suggest a nonorganic contribution when three or more of five categories are present. They indicate that psychosocial factors deserve attention; they do not mean there is no pathology and they are not a lie detector. Say so if you use them.

Board tip. Positive means the patient's own symptom is reproduced in the expected location. Local back pain on a straight leg raise is not a positive radicular test; radiating pain below the knee is. Likewise, relief with distraction is the positive finding for that test. State the location of the pain every time.
Case. Door card: Ana Lucero, 39, female. "Neck pain with tingling into my left thumb for two weeks." Task: perform a focused cervical orthopedic examination.
Reasoning: Hypothesis: left C6 radiculopathy (thumb), with differential of carpal tunnel syndrome, thoracic outlet syndrome and a double crush. Explain and consent. Inspect: head held slightly away from the left. Active range: left rotation about 50 degrees with reproduction of arm symptoms. Perform foraminal compression and Spurling to the left gently, stopping at symptom reproduction: "Left Spurling reproduces pain and tingling into the left lateral forearm and thumb, consistent with left C6 nerve root irritation." Distraction: "Distraction relieves the arm symptoms." Upper limb tension test A: positive on the left with a side to side difference. Bakody: relief with hand on head. State the Wainner cluster: four of four positive, making radiculopathy very likely. Then neurological screen of C5 to T1 (Section 4) and a Phalen and Tinel at the wrist to address the differential. Critical actions: test the uninvolved side first where relevant, stop at symptom reproduction, verbalize each finding, and screen for myelopathy (Hoffmann, gait) before concluding.
Key point

Every spinal test is explain, position, perform, ask, and state. Know the correct positioning and what counts as positive, use clusters (Wainner for the neck, Laslett for the sacroiliac joint) rather than single tests, avoid provocative cervical testing when the history suggests instability or vascular disease, and always say where the pain was reproduced.

Section 3Extremity orthopedic test performance

Structure of an extremity examination

Extremity stations follow the same order every time: inspect (swelling, bruising, deformity, atrophy) with both sides exposed for comparison, palpate the specific structures implicated by the history, test active, passive and resisted range of motion, then perform the special tests chosen for your hypotheses, and finish with a neurovascular check distal to the injury (pulses, capillary refill, sensation, strength). Always clear the joint above and below and the relevant spinal region: shoulder pain may come from the cervical spine, knee pain from the hip, and a slipped capital femoral epiphysis in an adolescent classically presents as knee pain. Compare with the uninvolved side throughout.

Shoulder, elbow, wrist and hand

TestHow to perform itPositive finding and meaning
Neer impingementStabilize the scapula; passively flex the internally rotated arm fully overheadAnterolateral shoulder pain: subacromial impingement
Hawkins KennedyShoulder and elbow flexed 90 degrees; passively internally rotate the shoulderPain: subacromial impingement; sensitive
Empty can (Jobe)Arms in 90 degrees abduction in the scapular plane, thumbs down; resist downward pressureWeakness or pain: supraspinatus tendinopathy or tear
Drop armPassively abduct to 90 degrees; patient slowly lowers the armArm drops or cannot be lowered smoothly: full thickness rotator cuff tear; specific
External rotation lagElbow at side flexed 90 degrees; passively externally rotate near end range and ask the patient to holdArm drifts back: infraspinatus or supraspinatus tear
Lift off or belly pressHand behind the back lifted away, or palm pressed into the abdomen with the elbow forwardInability: subscapularis tear
Apprehension and relocationSupine; abduct 90 degrees and externally rotate; then apply posterior pressure on the humeral headApprehension that is relieved by posterior pressure: anterior glenohumeral instability
SpeedElbow extended, forearm supinated; resist forward flexion of the shoulderPain in the bicipital groove: biceps tendinopathy
YergasonElbow flexed 90 degrees, forearm pronated; resist supination and external rotationPain or tendon snapping in the groove: biceps tendinopathy or transverse humeral ligament tear
O'Brien active compressionShoulder flexed 90 degrees, adducted 10 to 15 degrees, thumb down; resist downward force, repeat palm upDeep pain thumb down relieved palm up: labral (SLAP) lesion; pain on top of the shoulder: acromioclavicular joint
Cross body adductionArm flexed 90 degrees and adducted across the chestPain at the acromioclavicular joint
CozenElbow extended, forearm pronated, fist radially deviated; resist wrist extensionLateral epicondyle pain: lateral epicondylopathy
MillPassively pronate the forearm, flex the wrist and extend the elbowLateral epicondyle pain: lateral epicondylopathy
Medial epicondylitis testResist wrist flexion and pronation, or passively supinate and extend the wrist and elbowMedial epicondyle pain: medial epicondylopathy
Valgus and varus stress (elbow)Elbow flexed about 20 to 30 degrees; apply valgus then varus forcePain or laxity: ulnar or radial collateral ligament injury
Elbow flexion test and Tinel at the cubital tunnelFull elbow flexion with wrist extension held; or tap the ulnar grooveParesthesia in the little and ring fingers: cubital tunnel syndrome
PhalenHold both wrists in full flexion for up to 60 secondsParesthesia in the median distribution: carpal tunnel syndrome
Tinel at the wrist and carpal compression (Durkan)Tap over the carpal tunnel; or press the thumbs over it for up to 30 secondsMedian distribution paresthesia: carpal tunnel syndrome; carpal compression is among the more sensitive
Finkelstein (Eichhoff variant)Thumb tucked in a fist, then ulnar deviate the wristPain over the radial styloid: de Quervain tenosynovitis of abductor pollicis longus and extensor pollicis brevis
AllenPatient makes a fist; occlude radial and ulnar arteries; open hand; release one arterySlow return of color (over about 5 to 7 seconds): impaired flow in the released artery

Hip, knee and ankle

TestHow to perform itPositive finding and meaning
Patrick FABERFigure four; press the knee toward the table and stabilize the opposite ASISGroin pain: hip joint; posterior pain: sacroiliac joint
FADIRSupine; flex the hip to 90 degrees, adduct and internally rotateAnterior groin pain: femoroacetabular impingement or labral tear
ThomasSupine at the table end; hug one knee to the chestOpposite thigh lifts: hip flexor contracture; knee extends: rectus femoris tightness
OberSide lying, lower hip and knee flexed; extend and abduct the upper hip, then let it dropLeg stays abducted: iliotibial band or tensor fasciae latae tightness
TrendelenburgStand on one leg for about 30 secondsPelvis drops on the opposite (unsupported) side: weak gluteus medius of the stance leg (superior gluteal nerve, L5)
Log rollSupine; roll the relaxed leg into internal and external rotationGroin pain: intra-articular hip pathology; a useful first test in a painful hip
LachmanSupine, knee flexed 20 to 30 degrees; stabilize the distal femur, draw the proximal tibia forwardIncreased anterior translation with a soft end point: ACL tear; most sensitive ACL test
Anterior and posterior drawerKnee flexed 90 degrees, foot stabilized; pull the tibia forward, then push it backAnterior translation: ACL; posterior translation: PCL
Posterior sag (Godfrey)Hips and knees flexed 90 degrees; view from the sideTibia sags backward: PCL tear
Valgus and varus stressAt 0 and 30 degrees of knee flexionLaxity at 30 degrees only: isolated MCL or LCL; laxity at 0 degrees: collateral plus cruciate or capsular injury
McMurrayFully flex the knee; externally rotate the tibia with valgus stress and extend (medial meniscus), then internally rotate with varus stress and extend (lateral)Painful click or catch on the joint line: meniscal tear
ThessalyStanding on one leg with the knee flexed 20 degrees, rotate the body three times each wayJoint line pain or catching: meniscal tear
Apley compression and distractionProne, knee flexed 90 degrees; compress and rotate, then distract and rotatePain with compression: meniscus; pain with distraction: ligament
Patellar apprehensionKnee slightly flexed; push the patella laterallyApprehension or quadriceps contraction: lateral patellar instability
Bulge (stroke) test and ballottementMilk fluid from the medial gutter upward then stroke the lateral side; or tap the patellaFluid wave or patellar tap: knee effusion
Ankle anterior drawerAnkle slightly plantar flexed; stabilize the tibia, draw the heel forwardExcess translation: anterior talofibular ligament tear
Talar tiltAnkle neutral; invert the calcaneusExcess tilt: calcaneofibular ligament injury
Squeeze and external rotation (Kleiger)Compress the tibia and fibula at mid calf; or externally rotate the foot with the knee flexedDistal leg or ankle pain: syndesmosis (high ankle) sprain
ThompsonProne, foot off the table; squeeze the calfNo plantar flexion: complete Achilles tendon rupture
Draw tibia forward (anterior translation) Hand stabilizes distal femur ACL Femur Tibia Knee flexed about 20 to 30°, patient relaxed Positive: more translation than the other side, soft end point ACL (red) resists the glide; test the other knee first
Figure 6.3 The Lachman test. With the knee in slight flexion, one hand stabilizes the femur while the other draws the proximal tibia forward. The ACL normally gives a firm end point; increased translation with a soft end point compared with the other knee indicates a tear.

Decision rules for imaging after extremity trauma

Two rules are high yield because they combine examination findings into an imaging decision. The Ottawa ankle rules: ankle radiographs are indicated if there is pain in the malleolar zone and either bone tenderness along the distal 6 cm of the posterior edge or tip of the lateral or medial malleolus, or inability to bear weight for four steps both immediately and at the examination. Foot radiographs are indicated if there is midfoot pain and tenderness at the base of the fifth metatarsal or the navicular, or the same inability to bear weight. The Ottawa knee rule: radiographs if age 55 or older, isolated patellar tenderness, fibular head tenderness, inability to flex to 90 degrees, or inability to bear weight for four steps. Both rules are highly sensitive, so a negative rule makes fracture unlikely (Section 5).

Board tip. For the ACL, Lachman is the most sensitive office test and the pivot shift is the most specific but is hard to perform on a guarding patient. For the rotator cuff, the drop arm and external rotation lag point to a full thickness tear; Hawkins Kennedy and Neer are sensitive for impingement but not specific. Matching each test to "rule in" or "rule out" is a common item.
Case. Door card: Kayla Mendez, 22, female soccer player. "Twisted my right knee yesterday; heard a pop." Task: focused knee examination.
Reasoning: A noncontact pivot with a pop and rapid swelling suggests ACL tear, with meniscal tear and MCL sprain as companions, and fracture to exclude. Explain, consent, and drape with shorts. Inspect both knees: right effusion. Apply the Ottawa knee rule aloud: she can bear weight four steps with a limp, no patellar or fibular head tenderness, flexion past 90 degrees, age under 55, so radiographs are not required by the rule. Bulge test positive. Test the left knee first, then the right: "Right Lachman shows increased anterior translation with a soft end point compared with the left, consistent with ACL tear." Anterior drawer positive; valgus stress at 30 degrees mild pain without laxity; McMurray limited by guarding. Check distal pulses and sensation. Critical actions: compare sides, apply the decision rule, avoid forceful testing on an acutely swollen knee, recommend MRI and orthopedic referral, and protect the knee (crutches as needed) in the meantime.
Key point

Run every extremity station as inspect, palpate, range of motion, special tests, neurovascular check, and clear the joint above and below. Know the exact positioning of each test, compare sides, apply the Ottawa rules after trauma, and match tests to their roles: sensitive tests to rule out and specific tests to rule in.

Section 4Neurologic examination performance

The regional neurological screen

For any limb symptom, the neurological screen tests three things for each root level: sensation (the dermatome), strength (the myotome) and the deep tendon reflex. Test both sides, compare, and state the findings by level. Use light touch and sharp versus dull (pinprick with a clean disposable pin) in the center of each dermatome (the autonomous zone, where overlap from adjacent roots is least), and add vibration with a 128 Hz tuning fork and joint position sense at the great toe or index finger when large fiber or dorsal column disease is possible.

RootDermatome (test point)Myotome (key muscle test)Reflex
C5Lateral arm over the deltoidShoulder abduction (deltoid), elbow flexionBiceps
C6Lateral forearm, thumb and index fingerWrist extension, elbow flexionBrachioradialis
C7Middle fingerElbow extension (triceps), wrist flexion, finger extensionTriceps
C8Little finger and medial forearmFinger flexion (grip)None reliable
T1Medial armFinger abduction (interossei)None
L2 and L3Anterior and medial thigh to the medial kneeHip flexion (iliopsoas), hip adductionNone reliable
L4Medial leg and medial malleolusKnee extension, ankle dorsiflexion (tibialis anterior)Patellar
L5Lateral leg, dorsum of the foot and great toeGreat toe extension (extensor hallucis longus), hip abduction; heel walkingMedial hamstring (less reliable)
S1Lateral foot, little toe and soleAnkle plantar flexion and eversion; toe walkingAchilles
Left lower leg, front view Medial Lateral L4 L5 Great toe S1 lateral border, little toe Medial malleolus L4 Ankle dorsiflexion, knee extension Reflex: patellar L5 Great toe extension, hip abduction Heel walk; no reliable reflex S1 Plantar flexion, eversion Toe walk; reflex: Achilles
Figure 6.4 Lower limb root screen, simplified. L4 supplies the medial leg to the medial malleolus, L5 the lateral leg, dorsum of the foot and great toe, and S1 the lateral border of the foot and little toe. Pair each sensory test with its key muscle and reflex, and compare sides. Dermatome maps vary between sources and overlap in reality.

Motor testing and grading

Test strength with the joint in a mid range position, stabilize proximally, and apply resistance gradually ("Don't let me push you down"). Compare sides. Grade on the 0 to 5 Medical Research Council scale: 0 no contraction, 1 flicker or trace contraction, 2 movement with gravity eliminated, 3 movement against gravity only, 4 movement against some resistance, 5 normal strength. Functional tests are fast and sensitive in the lower limb: heel walking (L4 and L5 dorsiflexors), toe walking or repeated single leg heel raises (S1 plantar flexors), and a squat and rise (L3 and L4 quadriceps).

Reflexes and their grading

Position the limb relaxed with the tendon on slight stretch, strike briskly with the hammer swinging freely, and compare sides. Grade on the 0 to 4 scale: 0 absent, 1+ diminished or present only with reinforcement, 2+ normal, 3+ brisker than average, possibly with spread, 4+ very brisk with sustained clonus. If a reflex seems absent, use reinforcement (the Jendrassik maneuver: patient hooks the fingers together and pulls just as you strike for lower limb reflexes; clenching the teeth or a fist for upper limb reflexes) before calling it absent. An isolated reduced reflex with dermatomal and myotomal findings at the same level indicates a lower motor neuron root lesion; generalized hyperreflexia indicates an upper motor neuron problem.

FeatureUpper motor neuron lesionLower motor neuron lesion
LocationBrain or spinal cord (corticospinal tract)Anterior horn cell, root, plexus or peripheral nerve
ReflexesIncreased (3+ to 4+), clonusDecreased or absent
ToneIncreased (spasticity, velocity dependent)Decreased (flaccid)
AtrophyMild, from disuse, lateMarked, early
FasciculationsAbsentMay be present
Pathological reflexesBabinski, Hoffmann, clonus presentAbsent
DistributionPatterns below a level, often bilateralRoot, plexus or nerve distribution

Pathological reflexes

Cranial nerve screen

A fast screen is mandatory for headache, dizziness, facial symptoms, neck trauma and any suspected vascular presentation, and useful whenever the cervical spine is examined.

NerveRapid station test
I OlfactoryIdentify a familiar scent with each nostril (often omitted unless indicated)
II OpticVisual acuity, visual fields by confrontation, pupillary light reflex (afferent)
III, IV, VIPupils (III efferent), eye movements in an H pattern, look for diplopia, nystagmus and ptosis
V TrigeminalLight touch on forehead, cheek and jaw; clench the jaw (masseter); corneal reflex if indicated
VII FacialRaise eyebrows, close eyes tightly, smile, puff cheeks
VIII VestibulocochlearFinger rub or whisper at each ear; Weber and Rinne with a 512 Hz fork if hearing differs
IX, XSay "ah": uvula midline, palate rises symmetrically; gag reflex if indicated; voice and swallowing
XI AccessoryShrug shoulders and turn the head against resistance
XII HypoglossalProtrude the tongue: deviation toward the weak side

Cerebellar and coordination screen

Finger to nose (alternating between your finger and the patient's nose, with your target moving): intention tremor and past pointing indicate ipsilateral cerebellar dysfunction. Heel to shin: run the heel down the opposite shin. Rapid alternating movements: pronation and supination of the hand on the thigh; slowness and irregularity is dysdiadochokinesia. Tandem gait (heel to toe) reveals truncal ataxia. The Romberg test (standing with feet together, eyes open and then closed, guarding the patient) is a test of proprioception: a patient who is steady with eyes open but sways or falls with eyes closed has a sensory (dorsal column or peripheral) ataxia, whereas cerebellar ataxia is unsteady even with eyes open. Always stand close enough to catch the patient.

Board tip. The reflex root pairs are a classic: biceps C5, brachioradialis C6, triceps C7, patellar L4, Achilles S1. L5 has no reliable reflex, so test great toe extension, hip abduction and heel walking instead. And Romberg tests proprioception, not the cerebellum.
Case. Door card: Howard Kim, 58, male. "Neck stiffness, and my hands feel clumsy; I keep dropping my keys." Task: focused neurological examination.
Reasoning: Clumsy hands in a man in his late fifties suggest cervical spondylotic myelopathy until proven otherwise; differential includes bilateral carpal tunnel syndrome, peripheral neuropathy and motor neuron disease. Explain and consent. Inspect for intrinsic hand wasting and fasciculations. Test upper limb dermatomes, myotomes and reflexes: "Biceps and triceps reflexes are 3+ bilaterally." Hoffmann: "Positive on the right and left." Lower limbs: patellar 3+, three beats of ankle clonus on the left, Babinski upgoing on the left. Gait: broad based, unsteady tandem walk; Romberg sway with eyes closed (dorsal column involvement). State the conclusion: upper motor neuron signs in all four limbs with hand clumsiness and gait disturbance, consistent with cervical myelopathy. Critical actions: no cervical manipulation, no provocative compression testing, prompt referral for MRI and spine surgical evaluation, and safety advice about falls and about new bladder change or rapid worsening, which would require emergency care.
Key point

Screen each root with a dermatome, a myotome and a reflex, grade strength 0 to 5 and reflexes 0 to 4+, and use reinforcement before calling a reflex absent. Separate lower motor neuron root lesions from upper motor neuron signs (hyperreflexia, clonus, Babinski, Hoffmann), add the cranial nerve and cerebellar screens whenever the head, neck or balance is involved, and say every finding by level and side.

Section 5Choosing which tests to perform

Hypothesis driven examination

A station rarely has time for every test in this chapter, and examiners do not reward a scattershot battery. They reward an examination that follows from the history: each test chosen to confirm or exclude a specific hypothesis, plus the safety screens that the case requires. Before you touch the patient, name your leading diagnosis, the main alternatives and the dangerous possibility. Then select a short sequence: a regional screen (inspection, palpation, range of motion), the two or three special tests that best separate the hypotheses, the neurological screen if any limb symptom or red flag exists, and any safety test the case demands (vital signs, cranial nerves, myelopathy signs, pulses).

Sensitivity, specificity and clusters

Sensitivity is the proportion of people with the condition who test positive; a highly sensitive test that is negative helps rule out (SnNout). Specificity is the proportion of people without the condition who test negative; a highly specific test that is positive helps rule in (SpPin). Likelihood ratios combine both: a positive likelihood ratio above about 5 to 10 meaningfully raises probability, and a negative likelihood ratio below about 0.1 to 0.2 meaningfully lowers it. Single orthopedic tests are often only moderately accurate, which is why validated clusters outperform them.

HypothesisSensitive test to rule outSpecific test or cluster to rule in
Lumbar disc herniation with radiculopathyStraight leg raiseCrossed straight leg raise; matching neurological deficit
Cervical radiculopathyUpper limb tension test ASpurling; Wainner cluster (3 or 4 of 4)
Sacroiliac joint painNegative provocation clusterLaslett cluster (3 or more of 5)
ACL tearLachmanPivot shift
Full thickness rotator cuff tearPainful arc and weakness absentDrop arm, external rotation lag
Ankle or midfoot fracture after traumaOttawa ankle rules negativeRadiographs
Cervical myelopathyNormal gait, reflexes and Hoffmann (reassuring, not definitive)Hyperreflexia, Hoffmann, Babinski, clonus, gait ataxia together
Hypotheses leading, alternative, dangerous Safety screen vitals, red flag signs, consent and draping Regional screen inspect, palpate, range of motion 2 or 3 special tests sensitive: rule out specific: rule in Neurological screen dermatome, myotome, reflex, UMN signs State findings test, side, result, meaning At any step: a red flag finding stops provocative testing Crisis blood pressure, fever, progressive deficit, UMN signs, saddle loss, vascular signs Explain, refer at the right urgency, document
Figure 6.5 A hypothesis driven examination. The history sets the hypotheses, safety comes first, the regional screen narrows the field, a few chosen special tests and the neurological screen decide between hypotheses, and every result is stated aloud. A red flag finding at any point ends provocative testing.

What examiners look for

PositionTypical lumbopelvic and lower limb tests grouped there
StandingInspection, gait, range of motion, Kemp, Trendelenburg, Adams, heel and toe walk, Romberg
SeatedSlump, Bechterew, Valsalva, reflexes, upper and lower limb sensation and strength
SupineStraight leg raise, Braggard, crossed SLR, FABER, FADIR, Thomas, Gaenslen, distraction, thigh thrust, Babinski, pulses
Side lyingCompression, Ober
ProneSacral thrust, Yeoman, femoral nerve stretch, palpation of spinous processes and paraspinals

Safety and draping

Expose only the area being examined and keep the rest covered. Explain why clothing must be moved, offer a gown, step out or turn away while the patient changes, and use a drape to cover the pelvis and breasts during lumbar, pelvic, hip and thoracic examination. Ask before touching sensitive areas, offer a chaperone for any sensitive examination, and never examine the breast, genitalia or perineum in a station unless the task explicitly requires it; for suspected cauda equina, saddle sensation testing and rectal examination belong in the emergency setting. Throughout, set and honor a stop signal. If a test causes severe pain, new neurological symptoms, dizziness, nausea, visual change or a vasovagal reaction, stop, help the patient into a safe position, monitor vital signs, and change the plan.

Board tip. Sequence tests by patient position rather than by region or alphabet. Standing, seated, supine, side lying, prone saves time, reduces discomfort for a patient in pain and is visible evidence to an examiner that you planned the examination.
Case. Door card: Lorraine Patel, 47, female. "Right buttock pain for six weeks, sometimes into the back of the thigh." Task: focused examination; you have time for a limited number of tests.
Reasoning: Hypotheses: sacroiliac joint pain (leading), L5 or S1 radicular pain, lumbar facet pain, hip joint pathology, and the dangerous possibility of a sacral stress fracture or tumor. Choose: standing inspection, lumbar range of motion and Kemp (facet), heel and toe walk; seated reflexes and slump; supine straight leg raise (sensitive for root tension), FABER (hip versus sacroiliac), distraction, thigh thrust and Gaenslen; side lying compression; prone sacral thrust. State: "Straight leg raise to 80 degrees produces only hamstring tightness, slump negative, reflexes 2+ and symmetric, strength 5 of 5: radiculopathy unlikely. Kemp produces no local pain. FABER produces posterior right sacroiliac pain, not groin pain. Thigh thrust, distraction, compression and sacral thrust are positive on the right: four of five provocation tests positive, supporting right sacroiliac joint pain." Critical actions: a sensitive test to rule out radiculopathy, a validated cluster to rule in the sacroiliac joint, grouping by position, draping for pelvic tests, and asking about night pain and trauma so the stress fracture possibility is addressed.
Key point

Choose tests from your hypotheses, not from a memorized list: a safety screen, a regional screen, two or three special tests chosen for sensitivity or specificity (or a validated cluster), a neurological screen when indicated, and each finding stated aloud. Group tests by position, drape and communicate throughout, and stop provocative testing as soon as a red flag appears.

The chapter in one breath

  • Every test has five beats: explain, position, perform, ask, state; examiners score what they see and hear.
  • Blood pressure: right cuff size, bladder over the brachial artery 2 to 3 cm above the crease, arm at heart level, palpatory estimate, deflate 2 to 3 mmHg per second, phase I systolic and phase V diastolic.
  • A small cuff or a low arm reads high; over 180/120 means no manual care that day, and with symptoms an emergency call.
  • Count the pulse a full minute if irregular and respirations without announcing it; 100.4°F or higher is fever.
  • Cervical: Spurling is specific, ULTT A sensitive, and the Wainner cluster combines them with distraction and rotation; positional vertebral artery tests do not clear a patient for manipulation.
  • Lumbar: SLR is sensitive, the crossed SLR specific; sacroiliac pain is best supported by the Laslett cluster.
  • Extremities: inspect, palpate, range, special tests, neurovascular check, clear the joint above and below; Lachman for the ACL, drop arm and lag signs for full thickness cuff tears, and the Ottawa rules after trauma.
  • Neurological screen: dermatome, myotome and reflex per root (biceps C5, brachioradialis C6, triceps C7, patellar L4, Achilles S1); L5 is tested by great toe extension and hip abduction.
  • Upper motor neuron signs (hyperreflexia, clonus, Babinski, Hoffmann) mean cord or brain involvement and referral, not manipulation.
  • Cranial nerve and cerebellar screens are mandatory for headache, dizziness and neck trauma; Romberg tests proprioception.
  • Choose tests by hypothesis: SnNout, SpPin, clusters, grouping by position, draping, consent and a stop signal throughout.

Words worth knowing

TermWhat it means
Korotkoff soundsSounds heard over the brachial artery as cuff pressure falls; phase I marks systolic and phase V marks diastolic pressure.
Auscultatory gapA silent interval between systolic and diastolic sounds that can cause systolic pressure to be underestimated if the cuff is not inflated high enough.
Hypertensive crisisBlood pressure over 180 systolic and/or 120 diastolic; an emergency when target organ symptoms are present.
Orthostatic hypotensionA drop of at least 20 mmHg systolic or 10 mmHg diastolic within about three minutes of standing.
Spurling testExtension, lateral flexion and rotation of the neck toward the symptomatic side with axial pressure; radiating arm pain suggests radiculopathy.
Upper limb tension test AA sequence of shoulder, elbow, wrist and neck positions that tensions the median nerve and roots; sensitive for cervical radiculopathy.
Wainner clusterFour findings (ULTT A, Spurling, distraction, rotation under 60 degrees) whose combination predicts cervical radiculopathy.
Lhermitte signElectric shock sensation down the spine on neck flexion, suggesting a cervical cord lesion.
Straight leg raisePassive hip flexion with the knee straight; radiating leg pain between about 35 and 70 degrees suggests lumbosacral root tension.
Crossed straight leg raiseRaising the asymptomatic leg reproduces pain in the symptomatic leg; specific for disc herniation.
Laslett clusterFive sacroiliac provocation tests; three or more positives support the sacroiliac joint as the pain source.
Waddell signsFive categories of nonorganic findings; three or more suggest psychosocial contribution, not malingering.
Lachman testAnterior translation of the tibia with the knee in 20 to 30 degrees of flexion; the most sensitive office test for ACL tear.
McMurray testKnee flexion with rotation and varus or valgus stress during extension; a painful click suggests meniscal tear.
Ottawa ankle rulesClinical rule using malleolar, navicular and fifth metatarsal tenderness and weight bearing to decide on radiographs.
Thompson testSqueezing the calf of a prone patient; absent plantar flexion indicates Achilles rupture.
DermatomeThe area of skin supplied by the sensory fibers of a single spinal nerve root.
MyotomeThe group of muscles supplied mainly by a single spinal nerve root.
Jendrassik maneuverReinforcement by having the patient pull hooked fingers apart while a lower limb reflex is tested.
Babinski signGreat toe extension with fanning of the toes on stroking the lateral sole; an upper motor neuron sign.
Hoffmann signThumb and index flexion when the distal phalanx of the middle finger is flicked; suggests cervical cord compression.
ClonusRhythmic involuntary contractions after a sudden sustained stretch, indicating an upper motor neuron lesion.
Romberg testStanding with feet together and eyes closed; increased sway with eyes closed indicates impaired proprioception.
SensitivityThe proportion of people with a condition who test positive; a negative highly sensitive test helps rule out (SnNout).
SpecificityThe proportion of people without a condition who test negative; a positive highly specific test helps rule in (SpPin).

Check yourself

A candidate uses a standard adult cuff on a patient with a large, muscular arm and lets the arm hang by the patient's side. In which direction will both errors push the reading?
Answer. Both falsely raise it. A cuff too small for the arm needs more pressure to occlude the artery, and an arm below heart level adds hydrostatic pressure.
Why should you estimate systolic pressure by palpation before auscultating?
Answer. To make sure you inflate high enough to avoid an auscultatory gap, which could otherwise lead you to record a falsely low systolic value.
Describe the correct performance of Spurling test and what counts as positive.
Answer. With the patient seated, extend, laterally flex and rotate the head toward the symptomatic side and apply gentle axial pressure, stopping at symptom reproduction. Positive is reproduction of radiating arm pain in a dermatomal pattern; local neck pain alone suggests a facet source.
A straight leg raise reproduces low back pain at 50 degrees but no leg pain. Is the test positive for radiculopathy?
Answer. No. A positive radicular SLR reproduces radiating leg pain, usually below the knee, in roughly the 35 to 70 degree range. Back pain alone is nonspecific.
Which sacroiliac findings make the sacroiliac joint the likely pain source?
Answer. Three or more positives of the five Laslett provocation tests (distraction, thigh thrust, compression, sacral thrust, Gaenslen), ideally including the thigh thrust, with radiculopathy ruled out.
A 19 year old rolls her ankle and can walk four steps with a limp. She is tender at the tip of the lateral malleolus. Are ankle radiographs indicated by the Ottawa rules?
Answer. Yes. Bone tenderness at the posterior edge or tip of either malleolus within the distal 6 cm is enough, even when the patient can bear weight.
How do you perform a Lachman test, and why is it preferred over the anterior drawer?
Answer. Supine, knee flexed 20 to 30 degrees, stabilize the distal femur and draw the proximal tibia forward, comparing sides. It is more sensitive because hamstring guarding and the posterior horn of the meniscus block translation less in slight flexion than at 90 degrees.
A patient has weak great toe extension, numbness over the dorsum of the foot and normal patellar and Achilles reflexes. Which root is involved?
Answer. L5. It has no reliable deep tendon reflex, so normal patellar (L4) and Achilles (S1) reflexes are expected; confirm with heel walking and hip abduction strength.
A 60 year old with neck pain has 3+ reflexes in all limbs, a positive Hoffmann and sustained ankle clonus. What does this mean for the station?
Answer. Upper motor neuron signs suggest cervical myelopathy. Stop provocative cervical testing, do not manipulate, explain the concern, and refer for MRI and spine surgical evaluation, urgently if deficits are progressing.
A patient sways and nearly falls when closing the eyes with feet together but is steady with eyes open. What does this indicate?
Answer. A positive Romberg test, indicating impaired proprioception (sensory ataxia from dorsal column or peripheral nerve disease). Cerebellar ataxia causes unsteadiness even with the eyes open.