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cocontraction

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cocontraction
[kō′kəntrak′shən]
the simultaneous contraction of agonist and antagonist muscles around a joint to hold a position.


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Subjects in this study were adolescents, so it is unknown whether cocontraction is related to an immature system or to pedal design.
Clinical neurologic examination in May 2004 revealed bilateral ptosis, double vision when looking in any direction, dysarthria, sore neck muscles, generally brisk tendon reflexes with contralateral cocontraction of the lower limbs, weak elbow extension (M5-) on the right side, weak hip flexion bilaterally (M5-), wasting of the thighs and reduced Achilles tendon reflexes.
Since the spine is part of a closed kinetic chain when it is bearing weight during daily and sports activities, it requires the cocontraction of accessory and stabilizing muscles.
 
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