Thumb Proximal Phalanx Anatomy
Thumb proximal phalanx is the bone between the distal phalanx and the thumb metacarpal.
Note there is no middle phalanx in the thumb.
Diagrams & Photos
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Thumb Proximal Phalanx Bone Anatomic View -
Thumb Proximal Phalanx Bone Diagrammatic View -
Thumb Proximal Phalanx Bone X-ray View
Key Points
Thumb proximal phalanx is displaced in thumb MP joint dislocations and complex dislocations.