Methods: Thirty-two older adults with knee osteoarthritis on outpatient visits were randomly divided into 2 groups. Those in the treatment group (n = 16) received 5-minute massage therapy (continuous compression stimulation), and those in the control group (n = 16) received sham massage therapy (touch without compression). Immediately before and after single-intervention sessions, the pressure-pain threshold, muscle spasm, and pain were quantified.
Results: The change in pain on walking in the treatment group exceeded 1.9 cm, corresponding to the minimum clinically important difference. In the treatment group, the pressure-pain threshold improved significantly for pain both at rest and while walking, but the improvement in muscle spasm was not significant.
Conclusions: Massage therapy resulted in minimal clinically important changes for pain relief. There was an increase in the pressure-pain threshold in the older adults with knee osteoarthritis. We propose that the improvements in pain may be related to the medial thigh muscle rather than knee osteoarthritis.
Author keywords: Massage; Osteoarthritis; Knee; Pain
Author affiliations: RT:Graduate School of Integrated Arts and Sciences, Hiroshima University, Hiroshima, Japan; RT: Department of Rehabilitation, Hiroshima International University, Hiroshima, Japan; TU, YK: Department of Rehabilitation, Saiseikai Kure Hospital, Hiroshima, Japan; TS: Department of Orthopedic Surgery, Saiseikai Kure Hospital, Hiroshima, Japan
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