The modification of tension headache pain using EMG biofeedback.
D001676:Biofeedback, Psychology; D004576:Electromyography; D006261:Headache / Q000188:drug therapy / Q000628:therapy*; D006801:Humans; D008881:Migraine Disorders / Q000628:therapy; D009119:Muscle Contraction; D009126:Muscle Relaxation; D012008:Recurrence; D013997:Time Factors