Chapter 8 the skeletal system: the appendicular skeleton. Intro: the primary function of the appendicular skeleton is movement. Includes the bones that make up the upper and lower limbs as well as the bones of the two girdles that attach the limbs to the axial skeleton. Humerus: the longest and largest bone of the upper limb, the proximal end of the humerus features a rounded head that articulates with the glenoid cavity of the scapula. Largest carpal bone: articulates with the lunate, hamate (hooked) In a newborn the hip bone consists of three bones separated by cartilage: superior ilium. Female pelves: most of the structural differences in the pelves are adaptations to the requirements of pregnancy and childbirth, female pelves, wider and shallower, more space in the true pelves, summary table with more info. Joints between phalanges of the foot, like those of the hand, are called interphalangeal joints.