woman performs myofascial relaxation of the hyperflexible muscles of the back with a massage roller on a blue background. the

active alternative athlete athletic back background bending blue body bodycare care caucasian class coach concept confident disease effort equipment exercise exercising fascia fatigue female fit fitness floor foam gym health healthy hyperflexible individual indoor injury instructor lifestyle massage massaging mat medicine mobility muscle muscles myofascial pain performs personal physical prevention rehab relaxation roller rolling selfmassage sport stretching therapy training woman