The Appendicular skeleton

The Appendicular skeleton

The appendicular skeleton is composed of 126 bones: the bones of the upper and lower limbs together with the girdles that anchor each limb to the axial skeleton. The pectoral girdle anchors the arms and is built for a very wide range of mobility, while the pelvic girdle anchors the legs and is instead built for weight-bearing strength. The following subsections cover the pectoral girdle with the upper limb, the pe …