Muscles / Lower legs
Fibularis longus
- Lower legs
- Leg & ankle
- Superficial layer
Also called peroneus longus, peroneals.
Anatomy
- Origin
- Head and upper two-thirds of the lateral fibula
- Insertion
- Base of the 1st metatarsal and medial cuneiform (plantar surface)
- Nerve
- Superficial fibular nerve (L5-S2)
Actions
- Everts the foot
- Weakly plantarflexes the ankle
- Supports the transverse arch
Exercises that train it most
Also trained by
Notes
- Dynamic lateral ankle stabiliser; targeted with eversion strengthening and balance training after ankle sprain.
References (5)
- Martin RL, Davenport TE, Fraser JJ, et al. J Orthop Sports Phys Ther. 2021;51(4):CPG1-CPG80. Ankle stability and movement coordination impairments: lateral ankle ligament sprains revision 2021
- Standring S, ed. Elsevier. Gray's Anatomy: The Anatomical Basis of Clinical Practice. 42nd ed.
- Dalley AF, Agur AMR. Wolters Kluwer. Moore's Clinically Oriented Anatomy. 9th ed.
- Neumann DA. Elsevier. Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation. 3rd ed.
- Betts JG, Young KA, Wise JA, et al. OpenStax (free, openly licensed textbook). Anatomy and Physiology 2e