Increased tone of skeletal muscles due to organic neurological disorders (e.g. injury of the pyramidal tract, multiple sclerosis, myelopathy, encephalomyelitis etc.), muscular hypertension, muscular spasm, muscular contracture, rigidity, spinal automatism and discopathy. Obliterative vascular diseases (obliterative arteriosclerosis, diabetic angiopathy, obliterative thromboangitis, raynaud's disease, diffuse scleroderma) and disorders due to injured innervation of the vessels (acrocyanosis, intermittent angioneurotic dysbasia). In individual cases post-thrombotic venous and lymphatic circulation disorders, crural ulcer