The shoulder girdle attaches each arm to the axial skeleton — but only loosely, by a single bony joint. That trade-off buys the shoulder its huge range of motion. It's just two bones: the clavicle and scapula. Tap to explore.
Clavicle
Pectoral girdleclavicle + scapula
The parts
💡 The clavicle is the only bony link between the arm and the axial skeleton (at the sternoclavicular joint) — which is why it's one of the most commonly fractured bones.
📷 Reference image
A real labeled figure to compare with the interactive above.
The Pectoral Girdle — OpenStax, CC BY 3.0 (via Wikimedia Commons)
