The Head Of The Distal Phalanx In Posterior View

Description

Rotating through a posterior view, the distal phalanx of a finger comes into focus with the expanded head (tuft) positioned distally and the narrower shaft extending proximally toward the distal interphalangeal joint. Dorsally, the animation emphasizes the flattened contour of the tuft and the transition from the diaphysis into the distal widening, with the midline ridge and subtle dorsal surface irregularities reading clearly as the bone turns. Lateral edges flare slightly, framing the terminal pulp region in life. Distal phalanx morphology matters every day in trauma and infection workups because this small segment is the frequent endpoint of crush injury, nail bed laceration, and open fractures with contamination. The dorsal surface relates directly to nail apparatus anatomy, and the sequence helps you visualize why malalignment at the tuft can distort the nail plate and why distal fragments are often small and comminuted. Motion adds clarity for teaching spatial orientation, distinguishing dorsal (posterior) landmarks from the palmar surface that carries the roughened imprint of the flexor digitorum profundus insertion near the base. Use it in upper limb anatomy labs, radiographic positioning modules, and hand surgery teaching materials where students must reconcile bony landmarks with dorsal nail unit injuries and distal interphalangeal joint mechanics. It also fits procedural education on digital blocks, fingertip reconstruction planning, and reporting of tuft fractures on plain films. Anatomical accuracy verified by SciePro's Medical Advisory Board.