Decorticate Posturing Lesion Location

Decorticate posture is stiff with legs held out straight fists clenched and arms bent to hold the hands on the chest.

Decorticate posturing lesion location. Since in decorticate posture the lesion is at the level of neurons which originate from cortexand relay in the basal ganglia but since basal ganglia are still intact they do influence in controlling increased discharge rates of gamma motor neuron. Specifically it involves slow flexion of the elbow wrist and fingers with adduction and internal rotation at the shoulder. Decorticate posturing is an abnormal posturing and it is defined as semi flexion adduction and internal rotation at the shoulders and semi flexion or flexion at the elbows clenched fists and legs held out straight 1.

Decorticate posturing is also called decorticate response decorticate rigidity flexor posturing or colloquially mummy baby. Both involve stereotypical movements of the trunk and extremities and are typically indicative of significant brain or spinal injury. Decorticate posturing a sign of severe damage to the brain is a specific type of involuntary abnormal posturing of a person.

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. The nobel l. Decorticate posture decorticate rigidity with arm or arms in flexion and adduction and leg s extended signifies lesions at a higher level in the cerebral white matter or internal capsule and thalamus.

Decorticate posturing is a type of abnormal or pathologic posturing not to be mistaken with poor posture or slouching. Decorticate posturing in a patient with a lesion above the red nucleus which preserves the rubrospinal tracts we see decorticate posturing flexion ues extension les. Decorticate and decerebrate posturing are both considered pathological posturing responses to usually noxious stimuli from an external or internal source.

Decorticate posturing is described as abnormal flexion of the arms with the extension of the legs. However if the causative disorder extends lower in the brain stem decorticate posture may progress to decerebrate posture. Dp is characterized by fisted hands arms flexed on the chest extended legs often in response to painful stimuli which indicates midbrain dysfunction.

Decorticate posturing is described as abnormal flexion of the arms with the extension of the legs. Decorticate posture neurology a posture caused by diffuse and severe cortical dysfunction seen in a deep coma where primitive reflex posturing prevails after the loss of higher cortical control. The arms are bent in toward the body and the wrists and fingers are bent and held on the chest.