MUSCULUS TIBIALIS POSTERIOR Meaning and
Definition
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Musculus tibialis posterior refers to a specific muscle located in the lower leg, specifically in the posterior compartment of the leg. It is one of the major muscles of the calf region and plays a crucial role in various movements of the foot and ankle.
The musculus tibialis posterior originates from the posterior surface of the tibia, a bone located in the lower leg, and also from the interosseous membrane, a fibrous structure connecting the tibia and the fibula (the other bone in the lower leg). The muscle then extends downwards and posteriorly, crossing the medial malleolus (prominent bone on the inner side of the ankle) to reach its insertion point on the medial part of the foot.
The main function of the musculus tibialis posterior is to control and support the arch of the foot during walking and other weight-bearing activities. It aids in plantarflexion (pointing the foot downwards), inversion (turning the sole of the foot inwards), and supination (rolling the foot outward). Additionally, this muscle contributes to stability and balance, helping to prevent excessive foot pronation (rolling the foot inward) and foot or ankle injuries.
Injuries or dysfunction affecting the musculus tibialis posterior can result in conditions such as posterior tibial tendinitis or dysfunction, leading to pain, weakness, and impaired foot and ankle movements. Rehabilitation exercises and treatments targeting this muscle are often prescribed to restore function and alleviate symptoms.
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M. tibialis posticus; origin, shaft of fibula between interosseous border and oblique line, shaft of tibia between interosseous border and vertical line, and interosseous membrane; insertion, navicular, three cuneiform, cuboid, sustentaculum of os calcis, and 2d, 3d, and 4th metatarsal bones; nerve supply, tibial; action, produces plantar flexion and supination of foot.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for MUSCULUS TIBIALIS POSTERIOR
- nusculus tibialis posterior
- kusculus tibialis posterior
- jusculus tibialis posterior
- mysculus tibialis posterior
- mhsculus tibialis posterior
- mjsculus tibialis posterior
- misculus tibialis posterior
- m8sculus tibialis posterior
- m7sculus tibialis posterior
- muaculus tibialis posterior
- muzculus tibialis posterior
- muxculus tibialis posterior
- mudculus tibialis posterior
- mueculus tibialis posterior
- muwculus tibialis posterior
- musxulus tibialis posterior
- musvulus tibialis posterior
- musfulus tibialis posterior
- musdulus tibialis posterior
- muscylus tibialis posterior
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