Posterior Compartment of Leg
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You are here: Home » Anatomy Notes » Posterior Compartment of Leg
Innervation: tibial nerve
Blood supply: posterior tibial artery
Action: plantar flex at ankle, flex digits
Superficial: Gastrocnemius, Soleus and Plantaris
Action: Plantar Flex the foot at the ankle joint
Deep: Flexor Hallucis Longus, Flexor Digitorum Longus, Tibialis Posterior
Action: All these muscles provide weak plantar flexion of the ankle joint, FHL – flexes the great toes and distally attaches to the terminal phalanx, FDL – flexion of the lateral four toes by distally attaching to the terminal phalanx, TP – provides inversion of the foot.
In the foot the tendons of FHL and FDL cross over to provide actions to their respective digits.
Category: Anatomy Notes
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