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Encyclopedia > Tibialis posterior muscle

The Tibialis posterior is the most central of all the leg muscles. It is the key stabilising muscle of the lower leg. It originates on the inner posterior borders of the tibia and fibula; it is also attached to the interosseous membrane, which attaches on the to the tibia and fibula. The tendon of tibialis posterior the decends down posterior to the medial malleolus and to the plantar surface of the foot where it inserts on to the tuberosity of the navicular, the first and third cuneiforms, the cuboid and the second, third and fourth metatarsals. As well as being a key muscle for stabilisation, the tibialis posterior muscle also contracts to produce inversion of the foot and assists in the plantar flexion of the foot at the ankle. In an extended sense, a leg is any part of an object that supports it off the ground. ... A top-down view of skeletal muscle Muscle is a contractile form of tissue. ... In human anatomy, the tibia or shin bone is the larger of the two bones in the leg below the knee. ... The fibula (Calf Bone) is a bone placed on the lateral side of the tibia, with which it is connected above and below. ... // Introduction A tendon or sinew is a tough band of fibrous connective tissue that connects muscle to bone. ... In zootomy, several terms are used to describe the location of organs and other structures in the body of bilateral animals. ... This article needs to be cleaned up to conform to a higher standard of quality. ... The navicular bone (also called the navicular or scaphoid) is one of the tarsal bones, found in the foot. ... There are three cuneiform bones in the human foot: the medial cuneiform, the intermediate cuneiform and the lateral cuneiform. ... In anatomy, the cuboid bone is a bone in the foot. ... The metatarsus consists of the five long bones of the foot, which are numbered from the medial side (ossa metatarsalia I.-V.); each presents for examination a body and two extremities. ... The anatomical planes The anatomical position is a schematic convention for describing the relative morphology of the human body. ... In human and zoological anatomy (sometimes called zootomy), several terms are used to describe the location of organs and other structures in the body of bilateral animals. ...

  Results from FactBites:
Tibialis posterior tendinitis | iliotibial band syndrome (3315 words)
The tibialis-posterior muscle is a ‘deep’ sinew which lies underneath the calf’s soleus muscle, which itself rests beneath the gastrocnemius, the fleshy portion of the calf.
The tibialis posterior attempts to control these motions, and in doing so it is stretched as it attempts to contract, placing the muscle and its tendon under very high eccentric strain.
The greater the extent of eversion and dorsi-flexion, the greater the stress on the tibialis posterior and its tendon.
Muscle Associations : Ipsilateral association (943 words)
The descending reticular formation is mostly an ipsilateral system of double innervating to the organs and muscles: the lateral reticulo spinal tract reaches the preganglionic autonomic fibers and the medial reticulo spinal tract reaches the lower motor neurons (see Figure 1-7).
Muscles on the left or on the right side of the centerline, or gravity line, have identical associated muscles.
The tensor of the fascia lata arises from the outer lip of the crest of the ilium and the anterior superior iliac spine, and it follows the outer side of the thigh to become the ilio-tibial band that inserts on the external tuberosity of the tibia.
  More results at FactBites »



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