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THE JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS
Rivista di Medicina, Traumatologia e Psicologia dello Sport
Indexed/Abstracted in: Chemical Abstracts, CINAHL, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,111
The Journal of Sports Medicine and Physical Fitness 2016 Mar 23
Acute effects of aerobic, resistance and concurrent exercises, and maximal shuttle run test (MSRT) on coagulation and fibrinolytic activity in non-athletic healthy young men
Amir AMINI 1, Vahid SOBHANI 1, Mohammad T. MOHAMMADI 2, Hossien SHIRVANI 1 ✉
1 Exercise Physiology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran; 2 Department of Physiology and Biophysics, Faculty of Medicine, Baqiyatallah University of Medical Sciences, Tehran, Iran
BACKGROUND: The present study aimed to differentiate the acute effects of aerobic, resistance and concurrent exercises, and 40-m maximal shuttle run test (MSRT) on coagulation and fibrinolysis in non-athletic healthy young men.
METHODS: Fifty participants (20-30 years old) were randomly divided into a control and four exercise groups; Aerobic, Resistance, Concurrent, MSRT (each n=10). Single session of exercise was performed in Aerobic group using cycle ergometer (60% heart rate max) for 40 min, Resistance group using 3movements for upper extremity and 3movements for lower extremity with 60% of 1-Repetition Maximum (each movement in 2sets with 8-10repetitions), Concurrent group by combination of aerobic and resistance protocols, and the MSRT group using four trials of the 40-m MSRT. The duration for aerobic, resistance and concurrent exercises was 60min and for MSRT was 30min. Before and 30 min after exercise, blood samples were obtained for evaluation of fibrinogen (mg/dl), D-dimer (mg/dl), prothrombin time (PT), partial thromboplastin time (PTT) and platelet count (×1000/μl).
RESULTS: There was a significant reduction in fibrinogen of exercise groups compared to before exercise (P<0.01) and control group (P<0.05). D-dimer, as the index of fibrinolysis, was significantly increased in exercise groups compared to before exercise (P<0.01) and control group (P<0.05). Aerobic exercise and MSRT also increased the PT and PTT (P<0.001). Finally, the number of platelets had a significant reduction following resistance and concurrent exercise protocols (P<0.001, P<0.01).
CONCLUSION: Based on our findings, both coagulation and fibrinolytic activity are acutely affected by single session of different exercise protocols.