Trochlea of Foot Phalanx Anatomy in 3D

The "Hinge" of the toe bones. "Stubbing your toe" often causes a fracture of this trochlea; if it’s not fixed, the toe will become "Permanently Stiff" (Hallux Rigidus).

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Related structures

Foot Proximal Phalanx (Third Toe) Base of Foot Phalanx Body of Foot Phalanx Head of Phalanx of Foot Plantar Interossei Muscles (Proximal Phalanx of Fourth Finger of Foot Insertion) Trochlea of Hand Phalanx Abductor Digiti Minimi of Foot (Proximal Phalanx of Fifth Finger of Foot Insertion) Abductor Hallucis (Proximal Phalanx of First Finger of Foot Insertion)