extensor digitorum longus
extensor digitorum longus
The adductor hallucis is a two-headed muscle that is responsible for flexing and contracting the big toe, and reinforcing the arch of the foot. The tendons are inserted in the following manner: each receives a fibrous expansion from the interossei and lumbricals, and then spreads out into a broad aponeurosis, which covers the dorsal surface of the first phalanx: this aponeurosis, at the articulation of the first with the second phalanx, divides into three slips—an intermediate, which is inserted into the base of the second phalanx; and two collateral slips, which, after uniting on the dorsal surface of the second phalanx, are continued onward, to be inserted into the base of the third phalanx. A slip to the great toe from the innermost tendon has been found. Ankle joint. Extensor digitorum longus muscle (in red). © 2005-2020 Healthline Media a Red Ventures Company. The Extensor Digitorum Longus Muscle is situated in the front part of the leg and neighbors the Peroneus Brevis Muscle and Tibialis Anterior Muscle. The extensor digitorum longus muscle extends down the front of the shin, passes the ankle joint, and inserts onto the middle and distal parts of the toe bones. Healthline Media does not provide medical advice, diagnosis, or treatment. Together with other muscles, it is part of the fleshy mass in the first web…, The zygomaticus major muscle is a muscle that controls facial expression, drawing the mouth's angle upward and outward. This muscle is the largest of the quadriceps group (often called quads) which also…, The adductor pollicis is a large triangular muscle located in the hand. It arises from the lateral condyle of the tibia; from the upper three-quarters of the anterior surface of the body of the fibula; from the upper part of the interosseous membrane; from the deep surface of the fascia; and from the intermuscular septa between it and the tibialis anterior on the medial, and the peroneal muscles on the lateral side. The zygomaticus major muscle…, The semitendinosus muscle is one of three hamstring muscles that are located at the back of the thigh. The muscle passes under the superior and inferior extensor retinaculum of foot in company with the fibularis tertius, and divides into four slips, which run forward on the dorsum of the foot, and are inserted into the second and third phalanges of the four lesser toes. This wing-shaped muscle works to … These adductors are assisted…, A thin strip of tissue, the multifidus muscle starts at the sacral bone at the base of the spine and extends up to the axis, which is commonly…, The opponens digiti minimi is a triangular muscle in the hand. The toe bones are called phalanges, and each of these phalanges consists of three segments of bones: proximal (closest to foot), middle, and distal (farthest from foot). Inflammation of this muscle will make climbing stairs difficult, but problems can be avoided by working a shin stretch into a regular fitness routine. ), Learn how and when to remove this template message, https://en.wikipedia.org/w/index.php?title=Extensor_digitorum_longus_muscle&oldid=984530145, Wikipedia articles incorporating text from the 20th edition of Gray's Anatomy (1918), Short description with empty Wikidata description, Articles needing additional references from May 2015, All articles needing additional references, Creative Commons Attribution-ShareAlike License, Anterior lateral condyle of tibia, anterior shaft of fibula and superior , This page was last edited on 20 October 2020, at 15:44. Additionally, the toes are numbered one to five, starting with the big toe and ending with the pinky toe. The extensor digitorum longus is a pennate muscle, situated at the lateral part of the front of the leg. Attachments of Extensor Digitorum Longus Muscle: Origin & Insertion. After passing these ligaments, the muscle divides to provide motor function to the toes and is joined to the second, third, and fourth toe by tendons from the extensor digitorum brevis. Between it and the tibialis anterior are the upper portions of the anterior tibial vessels and deep peroneal nerve. The upper thirds of the muscle extends over to the fibula and traverses underneath the crural and transverse … The talus sits at the…, The vastus lateralis muscle is located on the side of the thigh. longus labeled at upper right. (Extensor dig. Exercises such as toe raises can strengthen the muscle and prevent inflammation if recurring strains become problematic. All rights reserved. The tendons to the second and fifth toes may be found doubled, or extra slips are given off from one or more tendons to their corresponding metatarsal bones, or to the short extensor, or to one of the interosseous muscles. The extensor…. The extensor digitorum longus plays an important role in walking, running, jumping, and foot dorsiflexion. Lateral view. The extensor digitorum longus inserts onto the middle and distal phalanges of the se… The upper two-thirds to three-fourths of the muscle extends over the fibula and the muscle passes below the cruciate crural and transverse ligaments. Lateral condyle of tibia & superior 3/4 of anterior surface of fibula; interosseous margin. The deep peroneal nerve and the anterior tibial artery both serve this muscle. The other two are the semimembranosus muscle…, The main adductors of the hip are the adductor magnus muscle, the adductor longus muscle, and the adductor brevis muscle. The extensor digitorum longus muscle is located at the front of the leg and is adjacent to the peroneus brevis muscle and the tibialis anterior muscle. This wing-shaped muscle works to extend the foot at the ankle, along with the four smallest toes. The function of the Extensor Digitorum Longus Muscle is to facilitate extension of the foot at the ankle as well as the toes. Middle & … Our website services, content, and products are for informational purposes only. Written by the Healthline Editorial Team. Double tendons from the fifth or second toe (in a minority of cases) have also been observed without adverse effects. Variations within the extensor digitorum longus muscle are not uncommon and include attachment to the big toe. 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. Lateral aspect. This article incorporates text in the public domain from page 481 of the 20th edition of Gray's Anatomy (1918), A pennate muscle, situated at the lateral part of the front of the leg, The mucous sheaths of the tendons around the ankle. This muscle varies considerably in the modes of origin and the arrangement of its various tendons. Besides EDL muscle, this compartment also contains the tibialis anterior, extensor hallucis longus and fibularis (peroneus) tertius muscles. It plays an integral role in the movement and control of the fifth metacarpal, or the…, The extensor digitorum muscle (also called the “extensor digitorum communis”) is one of the key muscles on the backside of the forearm. The tendons to the second, third, and fourth toes are each joined, opposite the metatarsophalangeal articulations, on the lateral side by a tendon of the extensor digitorum brevis. The extensor digitorum longus is a pennate muscle, situated at the lateral part of the front of the leg. Deep dissection. Extensor digitorum longus (EDL muscle) is a feather-like muscle of the anterior (extensor) compartment of leg. The extensor digitorum longus muscle is located at the front of the leg and is adjacent to the peroneus brevis muscle and the tibialis anterior muscle. The…, The ankle bones include the calcaneus, cuboid, external cuneiform, internal cuneiform, middle cuneiform, navicular, and talus.
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