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Proximal Articular Facet of Middle Phalanx of Index Finger
Skeletal System

Proximal Articular Facet of Middle Phalanx of Index Finger

Facies articularis proximalis phalangis mediae indicis

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Description

The proximal articular facet of middle phalanx of the index finger is the pulley-shaped, oval, superior area of its base. It articulates with the distal articular facet of the proximal phalanx of the index finger, forming the proximal interphalangeal joint of the index finger.

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Middle Phalanx

ScienceDirect image

For the middle phalanx, the fracture is exposed through a direct dorsal longitudinal incision, and the lateral slips of the extensor tendon are mobilized by incising the triangular ligament in the midline and extending distally by splitting the tendon in the midline to its insertion into the distal phalanx.

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