title: Pain response to voluntary muscle tension increases and biofeedback efficacy in tension headache.
mesh_terms: D000328:Adult; D001676:Biofeedback, Psychology; D004576:Electromyography; D005260:Female; D005500:Follow-Up Studies; D006261:Headache / Q000503:physiopathology / Q000523:psychology / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009119:Muscle Contraction; D013315:Stress, Psychological