Thesis (M.Sc.) - Cairo University - Faculty of Physical Therapy - Department of Basic Science

A person experiencing delayed onset muscle soreness will notice pain and aching within the affected muscles, decreased range of motion and loss in muscle strength beginning 12 - 24 hours after exercise, peaking between 48 and 72 hours and subsiding within five to seven days post - exercise. The severity is variable, ranging from a mild discomfort to severe debilitating pain that limits the use of muscles. The purpose: of this study was to investigate the effect of locally applied shock cryotherapy on pain and function in induced muscle soreness. A pre-test post-test design. Thirty physically active subjects participated in this study. Subjects subdivided into two groups A and B, fifteen in each group.Their mean age ranged from (25 to 35) years old. Pre-exercise measures were recorded for pressure pain threshold and Patient - Rated Elbow evaluation. Subjects participated in study were instructed to perform elbow flexion/extension of their non-dominant arm using a 10 - lb dumbbell while sitting until reaching the point of fatigue The group A underwent ice treatment administered immediately after exercise by using shock master cryotherapy device at 12 degree Celsius (12 ̊c) for 10 minutes once a day for four days at 0, 24, 48 and 72 hours after exercise. The group B underwent cold treatment using a flexible gel pack for 10-minutes once a day for four days at 0, 24, 48 and 72 hours after exercise. Pressure pain threshold and Patient-Rated Elbow Evaluation were assessed at 0, 24, 48 and 72 hours after exercise

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