Muscles

Peroneus longus

Plantarflexes and everts the ankle.

Referred pain map

Peroneus longus, brevis and tertius — trigger points along the lateral lower leg refer pain to the lateral malleolus, the lateral heel and along the lateral border of the foot (peroneus brevis) and to the dorsum of the foot in front of the lateral malleolus (peroneus tertius).

Overview

Plantarflexes and everts the ankle. Trigger points here are common in everyday and athletic populations and frequently contribute to the referred pain patterns described below.

Trigger point locations

Lateral lower leg.

Referred pain pattern

Lateral ankle and along the lateral calf.

Palpation & testing

Palpate the muscle belly along its accessible course. Reproduction of the patient's familiar pain on palpation supports involvement.

Common causes

Ankle sprain history, lateral overload, walking on uneven ground.

Self-care & clinical treatment

Ankle balance work, eccentric eversion. Clinically: needling.

Symptoms commonly linked

Ankle pain
Lateral knee pain

References

• Travell & Simons — Myofascial Pain and Dysfunction