Surfaces of Digits of the Hand

Description

Dorsal surfaces of the manus are presented from the elbow to the fingertips in a gloved black female hand, with the dorsum of the hand facing the viewer and the digits extended distally in anatomical position. The contour of each finger and thumb outlines the underlying phalanges (proximal, middle, and distal phalanx in digits II to V; proximal and distal phalanx in the pollex) and the intervening joint levels at the metacarpophalangeal, proximal interphalangeal, and distal interphalangeal regions. Proximally, the distal forearm continues into the carpal region, then broadens into the metacarpal area before tapering into the digital rays, with the thumb positioned laterally and the little finger medially. Dorsal hand orientation matters because so many exams and procedures are performed with the hand pronated and the dorsum up, from inspection of extensor tendon excursion to planning dorsal incisions that respect skin creases and avoid common superficial structures. Extensor tendon zones over the digits and dorsum of the hand are a practical teaching anchor, since lacerations here often involve the extensor digitorum communis, extensor indicis, or extensor digiti minimi and present differently than flexor zone injuries on the palmar surface. Color and glove context also supports discussion of infection control and barrier protection during musculoskeletal assessment, wound care, or outpatient procedures. Clean lines. Clear laterality. Use this asset for anatomy and surface anatomy modules covering digit numbering, phalangeal segmentation, and dorsal versus palmar terminology, as well as skills labs illustrating hand positioning for dorsal inspection, splinting, or documentation of injury location by joint level. It also fits clinical education materials on extensor tendon injury, dorsal hand laceration repair, and PPE practices in ambulatory or emergency settings. Anatomical accuracy verified by SciePro's Medical Advisory Board.