gastrocnemius muscle

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gas·troc·ne·mi·us mus·cle

(gas'trok-nē'mē-ŭs mŭs'ĕl)
Origin, by two heads (lateral and medial) from the lateral and medial condyles of the femur; insertion, with soleus by tendo calcaneus into lower half of posterior surface of calcaneus; action, plantar flexion of foot; nerve supply, tibial.
Synonym(s): musculus gastrocnemius [TA] , gastrocnemius.

gastrocnemius muscle

Leg muscle. Origin: medial condyle of femur, lateral condyle of femur. Insertion: calcaneus (via Achilles tendon). Nerve: tibial (S1-S2). Action: plantarflexes foot, flexes knee.
See: leg for illus. (Muscles of the leg)
See also: muscle