Muscle Spasticity: Stiffness and tension caused by conditions like cervical syndrome or periarthritis of the shoulder. Low Back Pain: Relief from acute strains and "stiff back." Neurological Stiffness: Spastic paralysis caused by cerebrovascular diseases or spinal injuries. Tension Headaches: Managing headaches caused by extreme neck and shoulder muscle contraction. Muscle Spasms: Painful involuntary contractions from sports injuries or overexertion.