The muscle also acts as a bowstring for the medial longitudinal arch, thereby playing a role in its maintenance. It then crosses over the posterior part of the ankle to emerge on the sole of the foot, where it passes anteriorly to insert on the great toe (hallux). one. The long muscle that straightens the big toe. According to the direction of its muscle fibers, flexor hallucis longus is described as an unipennate muscle. The tendon of flexor hallucis longus is the most lateral structure in the tarsal tunnel, found adjacent to the tibial nerve. origin: anterior surface of the middle half of the fibula and the adjacent interosseous membrane; insertion: the dorsal side of the base of the distal phalanx of the 1 st toe; action: extends the 1 st toe and assists in dorsiflexion The extensor hallucis brevis muscle is closely associated with the extensor digitorum brevis, which helps extend the rest of the foot’s toes. Other tendons in the foot which also lift the foot up are the tibialis anterior tendon and the extensor hallucis brevis. Extensors in the foot include the extensor digitorum longus and extensor digitorum brevis, which originate at the upper and lower parts of the lower leg and act through long tendons upon the toes, and the extensor hallucis brevis and extensor hallucis longus, which act upon the great toe. and grab your free ultimate anatomy study guide! [4], Extensor digitorum longus, Tibialis anterior, Peroneus tertius.[4]. Grounded on academic literature and research, validated by experts, and trusted by more than 1 million users. The muscles of the posterior leg compartment are responsible for _____ of the foot. Doubling of the muscle may occur anywhere along its length with the extra muscle (extensor primi internodii hallucis longus [Wood]) running parallel and lateral to the main muscle. extensor hallucis longus muscle pain. Reviewer: Upon exiting the tarsal tunnel, flexor hallucis longus is crossed by the flexor digitorum longus that is passing anterolaterally. Motor Point Stimulation of Extensor Hallucis Longus on a Quadriplegic SCI patient. The extensor hallucis longus is a muscle that is located in the foot that assists with a specific type of movement, known as inversion. Extensor hallucis longus muscle in human body October 07, 2020 It is a thin muscle situated in between the tibialis anterior and the extensor digitorum longus muscle. 2. Actions of Extensor Hallucis Longus on the foot: a. That is usually the journal article where the information was first stated. Muscles: Testing and Function, with Posture and Pain. Standring, S. (2016). Smaller foot and ankle muscles play an important role in foot and ankle stability, especially the flexor hallucis brevis, flexor hallucis longus, extensor hallucis brevis, extensor hallucis longus, plantaris, interossei, flexor digitorum, extensor digitorum. Flexor hallucis longus muscle: want to learn more about it? Steven E.Jurch. It may be joined to the tendon of extensor hallucis brevis distally or insert independently onto the first metatarsal, the proximal part of the first phalanx, or both phalanges of the great toe. extensor hallucis longus muscle: ( eks-ten'sŏr hal'ū-sis long'gus mŭs'ĕl ) Origin , lateral surface of tibia and interosseous membrane; insertion , base of distal phalanx of great toe; action , extends the great toe; nerve supply , anterior tibial. This causes the development of nodules along the tendon, that can cause a popping effect when the muscle is contracting.This condition is called hallux saltans (or trigger toe). While passing over the sustentaculum tali, the tendon is stabilized by the annular ligament, a fibrous sheath that wraps the circumference of the tendon. 48 synonyms for muscle: tendon, sinew, muscle tissue, thew, strength, might, force, power, weight, stamina, potency, brawn, sturdiness, power, weight, clout.... What are synonyms for Extensor hallucis longus muscle? In other words, this muscle begins about halfway up your shin in that space between the two bones in your lower leg. It contributes to pain in the top of the foot and big toe. The extensor tendons run along the top of the foot and connect the muscles in the lower leg to the foot bones. Insertion - the base of distal phalanx of the great toe. Gordana Sendic This muscle actually begins near the fibula and extends downward into the foot. [7], Sign up to receive the latest Physiopedia news, The content on or accessible through Physiopedia is for informational purposes only. Interesting information. The flexor hallucis longus muscle is primarily responsible for bending the big toe.