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Plantar flexion is the movement which increases the angle between the foot and the leg, as when depressing an automobile pedal. The word "plantar" translates as "toward the sole".
The movement in the opposite direction is dorsiflexion.
The range of motion for plantar flexion is usually indicated in the literature as 30° to 40°, but sometimes also 50°.
The nerves are primarily from the sacral spinal cord roots S1 and S2.
Muscles
Primary muscles for plantar flexion are:
- Posterior compartment of leg
- superficial
- gastrocnemius
- soleus
- plantaris (only weak participation)
- deep
- superficial
- Lateral compartment of leg (only weak participation)
- peronaeus longus
- peronaeus brevis
References
- ^ Kyung Won, PhD. Chung (2005). Gross Anatomy (Board Review). Hagerstown, MD: Lippincott Williams & Wilkins, 123. ISBN 0-7817-5309-0.
External links
- Plantarflexion at eMedicine Dictionary
- Diagram at gla.ac.uk
- Overview at exrx.net - ankle
- Overview exrx.net - foot
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Wikipedia content modification information:
- This page was last modified on 3 November 2008, at 02:24.
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