designed to provide an overall perspective on the deeper anatomy—the
skeletal, muscular, vascular, and neural anatomy—of the upper
extremity. The perspective spans from the shoulder and neck for
discussions of the skeletal, neural, and vascular anatomy, and from the
elbow for the muscular system.
humerus, the radius and ulna, eight carpal bones, five metacarpals, and
14 phalanges. The upper extremity skeleton is depicted in Figure 1.2-1.
Schematic illustration of the brachial plexus, associated major
branches, peripheral branches and muscles they innervate. A, nerve to
subclavius; B, lateral pectoral nerve; C, subscapular nerve; D,
thoracodorsal nerve; E, medial antebrachial cutaneous nerve; F, medial
brachial cutaneous nerve; G, medial pectoral nerve.
Figure 1.3-1 Currently accepted terminology and depiction of movement in the forearm, wrist, fingers: wrist, forearm (A), thumb (B).
Table 1.3-1 Anatomic Basis for Movement in the Upper Extremity