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Open AccessArticle

Hematological and Running Performance Modification of Trained Athletes after Reverse vs. Block Training Periodization

Sport Science Faculty, Catholic University of Murcia, 30107 Murcia, Spain
Universidad Europea de Madrid, Faculty of Sport Sciences, 28670 Villaviciosa de Odon, Spain
Grupo de Investigación en Cultura, Educación y Sociedad, Universidad de la Costa, 080002 Barranquilla, Colombia
Tritoledo Triathlon Club, 43560 Toledo, Spain
Authors to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(13), 4825;
Received: 11 June 2020 / Revised: 3 July 2020 / Accepted: 3 July 2020 / Published: 4 July 2020
The aim of the present study was to analyze the effect of block (BP) and a reverse training periodization (RP) in the hematological and running performance of amateur trained athletes. Modifications in hematological, aerobic, and anaerobic running performance and countermovement jump before and after twelve weeks of BP vs. RP training programs were analyzed in 16 trained athletes (eight males: 40.0 ± 6.2 years; 179.2 ± 12.8 cm; 73.8 ± 12.2 kg; and eight females: 34.2 ± 4.1 years; 163.4 ± 9.6 cm; 57.0 ± 11.0 kg). A significant decrease in heart rate (HR) at ventilatory threshold (VT1) (p = 0.031; ES = 1.40) was observed in RP without changes in BP. In addition, RP increased significantly VO2max (p = 0.004; ES = 0.47), speed at VO2max (p = 0.001; ES = 1.07), HR at VT2 (p < 0.001; ES = 1.32) and VT1 (p = 0.046; ES = 0.57), while BP improved VO2max (p = 0.004; ES = 0.51), speed at VO2max (p = 0.016; ES = 0.92), and HR at VT2 (p = 0.023; ES = 0.78). In addition, only RP increased anaerobic performance in a running-based anaerobic sprint test (RAST) (mean sprint: p = 0.009; ES = 0.40, best sprint: p = 0.019; ES = 0.30 and total time: p = 0.009; ES = 0.40). Moreover, both types of training periodization proposed in this study maintained hematological values and efficiently improved jump performance (p = 0.044; ES = 0.6) in RP and p = 0.001; ES = 0.75 in BP). Therefore, twelve weeks of either RP or BP is an effective strategy to increase jump and aerobic running performance maintaining hematological values, but only RP increases anaerobic running performance. View Full-Text
Keywords: endurance; heart rate; runners; triglycerides; VO2max endurance; heart rate; runners; triglycerides; VO2max
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Gómez Martín, J.P.; Clemente-Suárez, V.J.; Ramos-Campo, D.J. Hematological and Running Performance Modification of Trained Athletes after Reverse vs. Block Training Periodization. Int. J. Environ. Res. Public Health 2020, 17, 4825.

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