Decorticate Posturing Differential
Decerebrate has more e and more r.
Decorticate posturing differential. Typically the anatomical divide associated with decorticate and decerebrate posturing is the intercollicular line at the level of the red nucleus. Decorticate posture is stiff with legs held out straight fists clenched and arms bent to hold the hands on the chest. Here is a way to remember these two postures and never forget again.
Specifically it involves slow flexion of the elbow wrist and fingers with a dduction and. Decorticate posturing is described as abnormal flexion of the arms with the extension of the legs. Both involve stereotypical movements of the trunk and extremities and are typically indicative of significant brain or spinal injury.
Decorticate posturing is also called decorticate response decorticate rigidity flexor posturing or colloquially mummy baby. Patients with decorticate posturing present with the arms flexed or bent inward on the chest the hands are clenched into fists and the legs extended and feet turned inward. Decorticate and decerebrate posturing are both considered pathological posturing responses to usually noxious stimuli from an external or internal source.
However this concept has been criticized as lesions in the supratentorial region can also cause both decorticate and decerebrate posturing though the brainstem is typically involved. Rubrospinal tract transected red nucleus is above the level of lesion i e. Loss of cortical inhibition of red nucleus rubro spinal tract i e.
Decerebrate and decorticate posturing. Decorticate posturing is a type of abnormal or pathologic posturing not to.