Dec 20, 2025 · The peroneus longus is an important muscle that serves to flex your ankle and move it outward. Injury to it can cause pain and limited ability to walk or run.

Nov 3, 2023 · This article covers the anatomy of the peroneal muscles (peroneus longus and brevis), their innervation, and function. Click now to learn more at Kenhub!

The word "peroneus" comes from the Greek word "perone," meaning pin of a brooch or a buckle. In medical terminology, the word refers to being of or relating to the fibula or to the outer …

Jul 24, 2025 · Anatomy of the Peroneal Muscles The peroneal muscles are located on the outside of the lower leg. This muscle group includes two primary muscles: the peroneus longus and …

The Peroneus (Fibularis) Longus muscle, along with the Fibularis Brevis muscle make up the lateral compartment of the lower leg. The Fibularis Longus lies superficial to the Fibularis …

Jul 2, 2025 · The peroneal muscles are highly variable, and several variants are occasionally present, including the peroneus digiti minimi and the peroneus quartus. The peroneal muscles …

Oct 27, 2021 · Peroneal tendonitis is inflammation of the tendons that run alongside your outer ankle. It may cause ankle tendon pain, swelling or instability.

The peroneus longus and peroneus brevis muscles originate from the outer side of the lower leg and travel behind the fibula in a narrow channel called the fibular groove.

Peroneus Tertius : Origin: It originates from the lower1/3rd of anterior portion of medial surface of fibula. Insertion: It inserts to dorsal surface of base of 5th metatarsal bone. The peroneal …

Aug 21, 2023 · Weakened or absent motor strength can indicate muscle or nerve damage to the peroneus longus and/or peroneus brevis muscles—the two muscles of the lateral …