Tibialis posterior muscle

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Tibialis Posterior Muscle

The Tibialis Posterior Muscle (pronunciation: ti-BEE-lee-us pos-TEER-ee-or MUSS-ul) is one of the most central muscles in the leg and foot. It is located in the deep posterior compartment of the leg.

Etymology

The term "Tibialis Posterior Muscle" is derived from Latin. "Tibialis" refers to the tibia, the larger and stronger of the two bones in the leg below the knee in humans, and "posterior" refers to the location of the muscle at the back of the leg.

Function

The Tibialis Posterior Muscle plays a crucial role in maintaining the medial arch of the foot. It is also involved in inversion and plantar flexion of the foot.

Anatomy

The Tibialis Posterior Muscle originates from the posterior surface of the tibia and fibula, and the interosseous membrane. It inserts into the tuberosity of the navicular bone, the cuneiform, and the cuboid and metatarsal bones.

Related Terms

  • Tibia: The larger and stronger of the two bones in the leg below the knee in humans.
  • Fibula: The smaller of the two bones in the lower leg.
  • Inversion (foot): Movement of the sole towards the median plane.
  • Plantar flexion: Movement of the foot that flexes the foot or toes downward toward the sole.
  • Navicular bone: One of the tarsal bones, found in the foot.
  • Cuneiform bones: Three bones in the human foot.
  • Cuboid bone: One of the seven tarsal bones in the human foot.
  • Metatarsal bones: A group of five long bones in the foot.

External links

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