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Medical Term:

plantaris (muscle)


Definition: small muscle of superficial posterior (plantar flexor) compartment of leg; origin, lateral supracondylar ridge; insertion, medial margin of tendo achillis and deep fascia of ankle; action, traditionally described as plantar flexion of foot; many investigators now believe the plantaris muscle to be primarily a proprioceptive organ; nerve supply, tibial nerve.

Synonym(s): musculus plantarisTA, musculus tibialis gracilis, plantar muscle