True about decoicate rigidity?

Decoicate Rigidity Made by removing whole cerebral coex but leaving basal ganglia intact. Characterised by flexion of upper extremities at elbow & extension of lower extremities. Flexion due to rubrospinal tract excitation of flexors in upper extremities & hyperextension of lower extremity. Decoicate animal doesnot have intense hypeonia as decerebrate animal.Due to intact basal ganglia in decoicate animal. Ref: Guyton and Hall Textbook of Medical Physiology 13th edition Pgno: 682