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Fibularis (Peroneus) Brevis
Region: Leg & Foot Muscles · All leg & foot muscles
Fibularis (Peroneus) Brevis at a glance
| Origin | Lower two-thirds of the lateral surface of the fibula |
|---|---|
| Insertion | Tuberosity at the base of the fifth metatarsal |
| Actions | Turns the sole outward (eversion); Helps point the foot downward |
| Nerve supply | Superficial fibular nerve (L5–S2) |
◆ Good to know
Its insertion is the bone fragment pulled off in the common 'pseudo-Jones' avulsion fracture when the ankle rolls inward.
More Leg & Foot Muscles
Please note: This page is an anatomy education summary for students and curious readers, not medical advice. Attachment points are given in their classic short form; individual anatomy varies, and detailed dissection-level descriptions belong in an anatomy atlas.