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| Controlled trial of EMG feedback in muscle contraction headache |
| Bruhn P, Olesen J, Melgaard B |
| Annals of Neurology 1979 Jul;6(1):34-36 |
| clinical trial |
| 5/10 [Eligibility criteria: No; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: No; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed* |
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Twenty-eight patients suffering from severe, longstanding muscle contraction headache were randomly assigned to two groups, one receiving electromyographic (EMG) feedback therapy and the other, "most suitable alternative therapy". Headache intensity and severity as well as drug intake were reduced in the feedback group (p <= 0.01) as opposed to no improvement in the control group. The positive treatment effect in the feedback group persisted through a three-month follow-up period. EMG feedback therapy is effective in the treatment of muscle contraction headache even in its chronic, severe form, which is resistant to traditional treatment methods.
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