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decerebrate posture
(redirected from Abnormal posturing)

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decerebrate posture
Etymology: L, de + cerebrum, brain, ponere to place
the position of a patient, who is usually comatose, in which the arms are extended and internally rotated and the legs are extended with the feet in forced plantar flexion. It is usually observed in patients afflicted by compression of the brainstem at a low level. Also called decerebrate rigidity.

decerebrate posture
Extensor posturing Neurology A clinical state characterized by hyperextension of extremities, pronation of arms and hyperflexion of hands; DP in humans implies tentorial herniation, often associated with paralysis of the contralateral 3rd cranial nerve. Cf Decorticate posture.


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Those with tonic muscle overactivity producing sustained abnormal posturing were found to be most at risk of adaptive shortening.
 
 
 
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