Anterior compartment of the leg

Last revised by Assoc Prof Craig Hacking on 15 Aug 2021

The anterior 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 dorsiflexion and toe extension.

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.

  • anterior: deep fascia of the leg
  • posterior: interosseous membrane
  • medial: lateral surface of the tibia
  • lateral: anterior intermuscular septum and medial surface of the fibula

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Cases and figures

  • Figure 1: anterior and lateral leg muscles (Gray's illustration)
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  • Figure 1: lower leg axial section - Gray's anatomy illustration
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