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Cryotherapy is an effective treatment for acute sports injury to soft tissue, although the effect of cryotherapy on exercise-induced muscle damage is unclear. The aim of this study was to assess the effects of cold water immersion on the symptoms of exercise-induced muscle damage following strenuous eccentric exercise. After performing a bout of damage-inducing eccentric exercise (eight sets of five maximal reciprocal contractions at 0.58 rad .s-1) of the elbow flexors on an isokinetic dynamometer, 15 females aged 22.0 2.0 years (mean s) were allocated to a control group (no treatment, n=7) or a cryotherapy group (n=8). Subjects in the cryotherapy group immersed their exercised arm in cold water (15 C) for 15 min immediately after eccentric exercise and then every 12 h for 15 min for a total of seven sessions. Muscle tenderness, plasma creatine kinase activity, relaxed elbow angle, isometric strength and swelling …