Triceps surae muscle

Last revised by Dr Daniel J Bell on 24 Nov 2020

Triceps surae muscle is another term used for the calf muscles, more specifically two of the three muscles of the superficial posterior compartment of the leg:

The group of muscles are innervated by the tibial nerve and form the Achilles tendon distally which produces the majority of ankle plantar flexion (up to 93% 1). The plantaris muscle is not considered a part of this group but still contributes to the Achilles tendon.

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Cases and figures

  • Figure 1: Lower leg axial section - Gray's anatomy illustration
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