Year of Publication

2000

Date of Thesis

12-2000

Document Type

Thesis

Degree Name

Master of Science

Department

Exercise and Sport Sciences

Abstract

The purpose of this study was to investigate the physiological and psychological effects of massage on delayed onset muscle soreness (DOMS). To that end, 18 subjects were randomly assigned to a massage or control group. Prior to inducing DOMS, the following baseline measures were made: range of motion (ROM), peak hamstring torque, neutrophil count, and mood (POMS). DOMS was induced with 6 sets of 8 maximal eccentric contractions of the right hamstring. Two hours later, subjects received 20 min of massage or sham massage (control). Peak torque, POMS, neutrophil count, and intensity and unpleasantness of soreness were assessed. at 2, 6, 24, and 48 h post­ exercise. A two-factor ANOVA (treatment vs. time) with repeated measures on the second factor showed no significant treatment differences for peak hamstring torque, ROM, unpleasantness of soreness, POMS, and neutrophil count (p > 0.05). However, the massage group indicated significantly lower intensity of soreness at 48 h post-exercise than the control (p < 0.05). In conclusion, massage administered after DOMS-inducing exercise does not appear to reduce inflammation or improve hamstring function. Massage treatments may still be practical because our data revealed it lowered the intensity of soreness. The mechanisms for such psychological benefits require further investigation.

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