Decerebrate posturing indicates brain stem damage, specifically damage below the level of the red nucleus (e.g. mid-collicular lesion). It is exhibited by people with lesions or compression in the midbrain and lesions in the cerebellum. Decerebrate posturing is commonly seen in pontine strokes.
A special condition of musculature after remove a CNS below the red nuclei
A part of CNS and lost of a path for relaxation of muscle after contraction
Decerebrate rigidity describes the involuntary extension of the upper extremities in response to external stimuli. In decerebrate rigidity, the head is arched back, the arms are extended by the sides, and the legs are extended.