Proximal Articular Facet of Middle Phalanx of Index Finger
Facies articularis proximalis phalangis mediae indicis
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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
48 Pilon fractures to the middle phalanx are those in which the volar and dorsal margins are disrupted, with comminution of the central articular surface.