El tercer peroneo es un músculo situado en el compartimento anterior de la pierna. Es una prolongación de la parte distal del músculo extensor largo de los dedos y no siempre está presente. Inserciones: se origina en el extensor largo de los dedos, en la superficie medial del peroné. Su tendón desciende hasta la superficie dorsal del pie y se inserta en el quinto metatarsiano. Acciones: eversión y dorsiflexión del pie. Inervación: nervio peroneo profundo. Irrigación sanguínea: arteria tibial anterior. By TeachMeSeries Ltd (2026) Fig. 1: los músculos de la parte anterior de la pierna. Característica Pro - Modelo en 3D You've Discovered a Pro Feature Access our 3D Model Library Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Learn More Frequent questions What is the location and function of the tercer peroneo muscle? The tercer peroneo muscle is located in the anterior compartment of the leg and is responsible for the eversion and dorsiflexion of the foot. It acts as an extension of the distal part of the extensor digitorum longus muscle. Where does the tercer peroneo originate and insert? The tercer peroneo originates from the extensor digitorum longus on the medial surface of the fibula and inserts onto the dorsal surface of the fifth metatarsal. This anatomical positioning allows it to effectively facilitate foot movement. What nerve innervates the tercer peroneo muscle? The tercer peroneo muscle is innervated by the deep peroneal nerve. This nerve is crucial for the muscle's function in foot movement. What is the blood supply to the tercer peroneo? The blood supply to the tercer peroneo muscle comes primarily from the anterior tibial artery. This vascularisation is essential for maintaining the muscle's health and function. Is the tercer peroneo muscle always present in individuals? No, the tercer peroneo muscle is not always present; its occurrence can vary among individuals. This anatomical variation can influence foot mechanics and clinical considerations during assessments. Valora este artículo