Impact of Acute Exercise by Yo-Yo Intermittent Recovery Test on Hematopoietic Stem Cells, Muscle Damage and Inflammations Markers in Football Players

Document Type : Original Article

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Sports Health Sciences Dep, Faculty of physical Education, Mansoura University, Egypt

Abstract

Introduction: Circulating stem cells can reach various organs and become cells of that organ, helping such organ regain and maintain optimal health. Purpose: The effect of level-1 Yo-Yo Intermittent Recovery Test on Hematopoietic stem cells, Muscle Damage and inflammations Markers in Football Players. Methods: Fifteen healthy male's athlete's (especially football players from second division clubs) performed Yo-Yo Intermittent Recovery Test Level 1 age (21.4± 1.96 y). The Yo-Yo IR1 test involves running between two markers 20 meters apart. The participants have an active break of 10 seconds before running 40 meters again at regular intervals, the required running speed increases. The test continues until the participants are no longer able to keep up with the required pace. Blood samples taken pre, and immediately after Yo-Yo IR1 test were analyzed for hematopoietic stem cells (HSCs), creatinine kinase (CK), lactate dehydrogenase (LDH), aspartate aminotransferase (AST), lactic acid (LA), C-reactive protein (CRP) and white blood cells count (WBC). HSCs were quantified by flow cytometry. CK, LDH, AST, LA, CRP and WBC analysis were obtained by standard methods. Results: Immediately after The Yo-Yo IR1 test there was significant increase in HSCs, CK, LDH, AST, LA, CRP and WBC p ˂ 0.05.. Conclusion: These data indicate that The Yo-Yo IR1 test increased circulating hematopoietic stem cells, muscle damage in the blood stream differently in football players.

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