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The effect of relaxation on postoperative muscle tension and pain
Wells N
Nursing Research 1982 Jul-Aug;31(4):236-238
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*

Relaxation training has been postulated to decrease abdominal muscle tension, a source of postoperative pain, as well as alter the psychological variables of anxiety and perceived control. A two-group pre- and post-test experimental design was used to determine if abdominal muscle tension, self-report of pain and distress differ in adult cholecystectomy patients in two treatment conditions. Six patients received relaxation training, and six patients, serving as a control, received standard preoperative instruction. Results showed the distress caused by painful sensations was lower for patients who learned the relaxation technique.

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