- sorenessandwarmthcausedbyfriction.Coolingdownmayhelpreducemuscleinjury,stiffnessandsoreness,buttheresearchisuncertain.Manyprofessionalrunnersuseicebathstoreducesorenessafterruns.Itshowedthatthismethodhadobviouseffectsonmusclesorenessandstraincausedby...
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