Fibularis brevis at a glance
- Also called
- Peroneus brevis
- What it is
- A lateral leg muscle lying beneath fibularis longus.
- Location
- Origin: distal two-thirds of the lateral surface of the fibula. Insertion: tuberosity at the base of the 5th metatarsal.
- Function
- Everts the foot and weakly plantarflexes the ankle.
- Body system
- Muscular · paired (left and right)
- FMA ID
- FMA22554 (Foundational Model of Anatomy)
Key facts
- Innervation: superficial fibular nerve (L5–S1)
- Its tendon passes behind the lateral malleolus, deep to the fibularis longus tendon, under the superior fibular retinaculum.
- Blood supply: fibular artery
Clinical relevance
The 5th metatarsal base is a common avulsion fracture site.
Structures next to the fibularis brevis
The nearest named structures in the 3D model, measured from the centre of each part:
- Calcaneal tendon · muscular
- Fibularis tertius · muscular
- Posterior tibial vein · cardiovascular
- Posterior tibial artery · cardiovascular
- Extensor hallucis longus · muscular
- Flexor hallucis longus · muscular
- Flexor digitorum longus · muscular
- Fibularis longus · muscular
- Talus · skeletal
- Tibialis posterior · muscular
References
- Foundational Model of Anatomy: Fibularis brevis (FMA22554). EMBL-EBI Ontology Lookup Service.
- OpenStax. Anatomy and Physiology 2e, §11.2 Naming Skeletal Muscles. Rice University, 2022.
- Mitsuhashi N. et al. (2009). BodyParts3D: 3D structure database for anatomical concepts. Nucleic Acids Research 37, D782–D785. Data © The Database Center for Life Science, CC BY 4.0.
Related anatomy
Explore the whole body in the interactive 3D human anatomy model, or browse the A–Z list of human structures.