Tibialis anterior
| Tibialis anterior muscle | |
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Lateral aspect of right leg.
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Tibialis anterior
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| Details | |
| Origin | Upper 1/2 & Lateral Condyle of Tibia |
| Insertion | Medial cuneiform and first metatarsal bones of the foot |
| Artery | Anterior tibial artery |
| Nerve | Deep Fibular (peroneal) nerve (L5) |
| Actions | Dorsiflexion and inversion of the foot |
| Antagonist | Fibularis longus, Gastrocnemius, Soleus, Plantaris, Tibialis posterior |
| Identifiers | |
| Latin | musculus tibialis anterior |
| TA | A04.7.02.037 |
| FMA | 22532 |
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Anatomical terms of muscle
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In human anatomy, the tibialis anterior (/ˌtɪbiˈeɪlᵻs/ or /ˌtɪbiˈælᵻs/) is a muscle that originates in the upper two-thirds of the lateral (outside) surface of the tibia and inserts into the medial cuneiform and first metatarsal bones of the foot. It acts to dorsiflex and invert the foot. This muscle is mostly located near the shin.
It is situated on the lateral side of the tibia; it is thick and fleshy above, tendinous below. The tibialis anterior overlaps the anterior tibial vessels and deep peroneal nerve in the upper part of the leg.
It arises from the lateral condyle and upper half or two-thirds of the lateral surface of the body of the tibia; from the adjoining part of the interosseous membrane; from the deep surface of the fascia; and from the intermuscular septum between it and the extensor digitorum longus.
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Wikipedia