Posterior Perspective of the Dorsum of the Male Hand

Description

Dorsum manus is presented in posterior view, with the metacarpals forming the central framework and the metacarpophalangeal joints creating the prominent dorsal knuckles. Dorsal digital extensor tendons run distally from the region of the extensor retinaculum toward the proximal and middle phalanges, fanning slightly as they approach the fingers, while the intermetacarpal spaces define the valleys between the tendon ridges. Laterally, the radial border leads toward the first dorsal interosseous region and the base of the thumb, and medially the ulnar border tapers toward the fifth metacarpal and hypothenar margin, with dorsal veins and cutaneous landmarks often visible superficially. Posterior surface anatomy of the hand matters because many clinically examined findings sit right on the dorsum: extensor tendon continuity during finger extension, dorsal wrist swelling patterns, and the relationship of the dorsal venous network to common cannulation sites. This perspective also supports teaching of injury patterns such as extensor tendon lacerations over the metacarpophalangeal joints (often termed sagittal band injuries or boxer's knuckle) and dorsal ganglion cysts arising near the scapholunate interval, both assessed by inspecting contour changes and tendon excursion. Use this artwork for gross anatomy and surface anatomy curricula covering the upper limb, for clinical skills manuals illustrating hand inspection landmarks, and for orthopedics or hand surgery publications discussing dorsal approaches and extensor mechanism injuries. It also fits patient education materials on dorsal hand swelling, tendon lacerations, and postoperative incision orientation. Anatomical accuracy verified by SciePro's Medical Advisory Board.