by Dr. Gary Farr on 27 June 2002
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© Copyright 2000-2005, BecomeHealthyNow.com, Inc. All rights reserved.
Gastrocnemius
by Dr. Gary Farr on 27 June 2002
1
Origin Medial head from posterior nonarticular surface of medial femoral condyle; Lateral head from lateral surface of femoral lateral condyle Insertion The two heads unite into a broad aponeurosis which eventually unites with the deep tendon of the soleus to form the Achilles tendon, inserting on the middle 1/3 of the posterior calcaneal surface Action Powerful plantar flexor of ankle Innervation Tibial nerve (S1, S2) Arterial
SupplyEach head supplied by a sural branch of the popliteal artery
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