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.

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 portion of the leg.

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!

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.

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 …

May 23, 2023 · The peroneal tendons are in the lateral compartment of the leg and include the peroneus longus and peroneus brevis muscles. Both receive innervation from the superficial peroneal nerve …

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 muscles are …

The peroneus, also known as the fibularis, is a group of skeletal muscles located on the lateral aspect of the lower leg. These muscles are responsible for the eversion and plantar flexion of the foot, playing …

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 are …

Mar 10, 2025 · The two major peroneal muscles (peroneus longus and peroneus brevis) are situated on the outside of the lower leg, just adjacent to the calf muscles. The peroneal tendons course along the …