medial head of left gastrocnemius
Muscular systemLower limbLeftFMA45958
Nomenclature
medial head of left gastrocnemius
caput mediale musculi gastrocnemii (Latin)
capo mediale del gastrocnemio sinistro (Italian)
Descriptionentry
Medial and larger head of gastrocnemius, superficial in the calf.
Functionentry
Plantar flexion of the foot; flexion of the knee.
Originentry
Posterior surface of the medial femoral condyle.
Insertionentry
Calcaneal (Achilles) tendon, calcaneal tuberosity.
Innervationentry
Tibial nerve (S1-S2).
Blood supplyentry
Medial sural artery.
Clinical notes
Typical site of so-called tennis leg, a tear at the myotendinous junction.
Model