3. Peroneus Brevis
Origin: Inferior two thirds of the lateral surface of the fibula
Insertion: Dorsal surface of the tuberosity of the 5th metatarsal base
Action:
- Eversion
- Weak plantar flexor
Innervation: Superficial peroneal nerve (L5/S1/S2)

Needling
Position: Supine
Palpation: Palpate the lateral aspect of the shin, resist eversion to help isolate this muscle
Technique: Needle directly perpendicular to the peroneal muscles using the fibula as a bony backdrop
Caution: Low – the superficial peroneal nerve lies directly inferior to the fibular head

Video 2.3 Needling of peroneus longus/brevis, original video by Nadine Crocker, CC BY-NC 4.0.