Calcaneus, Groove for Tendon, Flexor Hallucis Longus Anatomy in 3D

A groove on the sustentaculum tali. The tendon of the "great toe" flexor runs here; "FHL Tendonitis" is a common injury in ballet dancers ("Dancer’s Tendonitis") due to repetitive "en pointe" movements.

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Related structures

Calcaneus Talus, Groove for Tendon, Flexor Hallucis Longus Flexor Hallucis Longus (Tendon Sheath) Flexor Digitorum Longus (Tendon Sheath) Flexor Hallucis Longus Cuboid Bone, Groove for Tendon, Fibularis Longus Muscle