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The tibialis anterior muscle is the most medial muscle of the anterior compartment of the leg. [1] [better source needed] The muscle ends in a tendon which is apparent on the anteriomedial dorsal aspect of the foot close to the ankle. [citation needed] Its tendon is ensheathed in a synovial sheath.
tibialis anterior: Lower limb, Leg, Anterior Compartment body of tibia: medial cuneiform and first metatarsal bones of foot: anterior tibial artery: deep fibular nerve: dorsiflexes and inverts foot: fibularis longus, gastrocnemius, soleus, plantaris, tibialis posterior: 2 1 extensor hallucis longus: Lower limb, Leg, Anterior Compartment
Three muscles attach to the first metatarsal bone: the tibialis anterior, fibularis longus and first dorsal interosseus. [3] The tibialis anterior inserts at the basis of the bone, while the fibularis longus inserts at the tuberosity. The lateral part of the first dorsal interosseus muscle originates from the medial side of the bone.
The soleus plays an important role in maintaining standing posture; if not for its constant pull, the body would fall forward. Also, in upright posture, the soleus is responsible for pumping venous blood back into the heart from the periphery, and is often called the skeletal muscle pump , peripheral heart or the sural (tricipital) pump .
The tensor fasciae latae arises from the anterior part of the outer lip of the iliac crest; from the outer surface of the anterior superior iliac spine, and part of the outer border of the notch below it, between the gluteus medius and sartorius; and from the deep surface of the fascia lata.
The anterior compartment of the leg is supplied by the deep fibular nerve (deep peroneal nerve), a branch of the common fibular nerve. The nerve contains axons from the L4, L5, and S1 spinal nerves. Blood for the compartment is supplied by the anterior tibial artery, which runs between the tibialis anterior and extensor digitorum longus muscles.
Several effective exercises target the muscles in the lower leg, including the calves, tibialis anterior, and other supporting muscles. Calf raises are a foundational exercise: standing with feet hip-width apart, you raise your heels off the ground and lower them back down, effectively strengthening the gastrocnemius and soleus muscles.
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.