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Flexor digitorum longus is a thin muscle that belongs to the deep posterior muscles of the leg. It runs from the posterior surface of the tibia, across the posterior compartment of the leg to the phalanges of the foot. On its course, the muscle receives functional support from the quadratus plantae muscle.
The flexor digitorum longus muscle is responsible for the movement and curling of the second, third, fourth and fifth toes. This muscle makes it possible for the toes to grip the surface of floors, which is important when it comes to maintaining postural balance on surfaces that are rough or uneven.
Flexor digitorum longus pain can occur with a trip and fall on uneven surface when the toes are not able to grip the surface totally. One can also injure the flexor digitorum longus muscle while running on a beach in the sand without any footwear making the muscle vulnerable for injuries.
The flexor digitorum longus (FDL) is part of the deep muscle group of the posterior compartment of the lower leg [1]. Its primary action is flexion of digits 2-5 in the foot.
The flexor digitorum longus is a muscle within the deep compartment of the posterior leg. It is a thin muscle, located medially within the compartment. Attachments: Originates from the medial surface of the tibia and attaches to the plantar surfaces of the lateral four digits. Actions: Flexion of the lateral four toes.
Accessory muscles are isointense to skeletal muscle on all pulse sequences, and can insert by fleshy muscular or tendinous insertions. Accessory muscles around the ankle include: the flexor digitorum accessorius longus, the peroneocalcaneus internus, the accessory soleus, and the accessory peroneal muscles.
There are three muscles in the deep anterior forearm: flexor digitorum profundus, flexor pollicis longus, and pronator quadratus. Flexor Digitorum Profundus Attachments: Originates from the ulna and associated interosseous membrane.
Flexor digitorum longus. Medically Reviewed by Anatomy Team. The Flexor Digitorum Brevis is an intrinsic foot muscle that plays a pivotal role in the foot’s biomechanics. Being centrally located within the sole of the foot, it acts mainly to flex the middle phalanges of the second to fifth toes, and its functionality has implications for gait ...
The flexor digitorum longus muscle is one of five structures that pass posterior to the medial malleolus. From anterior to posterior, these are the tibialis posterior muscle, flexor digitorum longus muscle, posterior tibial artery, tibial nerve, and flexor hallucis longus muscle.
Interactive 3D model of the flexor digitorum longus muscle and information on its origin, insertion, action, innervation, and blood supply.