Superficial posterior compartment of the leg

Dr Craig Hacking et al.

The superficial posterior compartment of the leg is one of the four compartments in the leg between the knee and foot. Muscles within this compartment primarily produce ankle plantarflexion as all 3 muscles form the Achilles tendon. Of the two posterior compartments, the superficial compartment is substantially the largest.

The leg is separated into anterior, lateral, superficial posterior and deep posterior compartments by intermuscular septa and surrounded by the deep fascia of the leg. The transverse intermuscular septum divides the posterior compartments.


Lower limb anatomy
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Article Information

rID: 40347
Section: Anatomy
Synonyms or Alternate Spellings:
  • Superficial posterior compartment of leg

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