“…Clinical examinations have demonstrated that psychotic patients deviate from neurotics and normals in the degree of adequate postural muscle tension, muscular elasticity, and muscular resistance to passive movements (Sundsvold, 1975;Sundsvold, Vaglum, & Ostberg, 1981). Furthermore, Meltzer (1976) has described evidence of biochemical abnormalities, morphological changes in the muscle fibers and motor nerves, and neurophysiological abnormalities in the nerve condition velocity and Hoffman-reflect of schizophrenic subjects relative to normal controls (Goode, Meltzer, Crayton, & Mazura, 1977).…”