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Ankle joint Range of Motion

Discussion in 'Biomechanics, Sports and Foot orthoses' started by whols, Apr 6, 2011.

  1. whols

    whols Member


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    I was having a chat the other day and we got taking about ankle joint range of motion and the possibility that the the ankle joint actually produces a lot of inversion/eversion foot motion rather than all coming from the STJ. Are there any articles that anyone knows of that suggests that this is the case?
     
  2. http://www.fizjoterapeutom.pl/files..., mid- and forefoot motion during walking.pdf

    Look at the talus to tibial rotations in the figure on page 4
     
  3. Since the ankle joint axis is a pronation-supination axis, like the subtalar joint axis, oriented from posterior-inferior-lateral to anterior-superior-medial, then with dorsiflexion of the ankle the calcaneus will evert relative to the tibia and with plantarflexion of the ankle the cacaneus will invert. This very commonly occurs but is not widely understood.

    In additon, the ankle joint can produce signficant inversion-eversion motion of the talus relative to the tibia when the restraining ligaments of the ankle are excessively compliant or have been torn which can cause the calcaneus to be able to move in the frontal plane relative to the tibia more than normal.

    Hope this helps.
     
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