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An-Najah University Journal for Research - B (Humanities)

Abstract

The aim of the present study was to examine effects of cold water immersion and creatine powder on signs of muscle damage and time of performance endurance. Using a random, blind-design, eight athletes participated in all four trials (14 days apart). Athletes performed a seated leg extension machine 5 sets × 20 rep after 30 minutes rest included either cold water immersion of lower body for 12 minutes (CWI trial), intake of 5g of Creatine powder (Cr trial), (CWI+Cr trial) or control trial. After that, athletes performed an incremental running protocol until volitional fatigue. Creatine kinase and myoglobin were significantly (=0.05) lower in trials of CWI and CWI+Cr. Aldolase and lactic dehydrogenase were significantly lower in Cr trial. Time of performance endurance was significantly longer in CWI+Cr trial. In conclusion, CWI, Cr, and CWI+Cr trials alleviated signs of muscle damage without suppression.

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