Author: Dr Peter de Souza
Last modified: 2 January 2023

The peroneus brevis (fibularis brevis) is one of the muscles within the lateral compartment of the leg.

The leg is comprised of anterior, lateral and posterior compartments. The lateral compartment consists of two muscles, the peroneus longus (fibularis longus) and the peroneus brevis (fibularis previs).


  • Lower 2/3 of lateral shaft of fibula


  • Lateral tubercle at base of 5th metatarsal


  •  Eversion of foot


  • Superficial fibular nerve: L5, S1, S2

Blood Supply

  • Peroneal artery