Changes in Anthropometric and Performance Parameters in High-Level Endurance Athletes during a Sports Season

Javier Alves, Gema Barrientos, Víctor Toro, Esther Sánchez, Diego Muñoz and Marcos Maynar
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Javier Alves: Department of Sport Science, Faculty of Education, Pontifical University of Salamanca, 37007 Salamanca, Spain
Gema Barrientos: Department of Sport Science, Faculty of Education, Pontifical University of Salamanca, 37007 Salamanca, Spain
Víctor Toro: Department of Physiology, Faculty of Sports Science, University of Extremadura, 10003 Cáceres, Spain
Esther Sánchez: Department of Sport Science, Faculty of Education, Pontifical University of Salamanca, 37007 Salamanca, Spain
Diego Muñoz: Department of Physiology, Faculty of Sports Science, University of Extremadura, 10003 Cáceres, Spain
Marcos Maynar: Department of Physiology, Faculty of Sports Science, University of Extremadura, 10003 Cáceres, Spain

IJERPH, 2021, vol. 18, issue 5, 1-11

Abstract: Several anthropometric and performance parameters related to aerobic metabolism are associated with performance in endurance runners and are modified according to the training performed. The objective of this study was to investigate the ergospirometric and body composition changes in endurance runners during a sports season in relation to their training. Twenty highly trained men endurance runners performed an incremental test until exhaustion (initial, and at 3, 6, and 9 months) on a treadmill to determine maximal oxygen consumption (VO 2 max), second ventilatory threshold (VT 2 ), and their associated running speeds. Skinfolds, perimeters, and weights were measured. No changes were obtained in VO 2 max or VT 2 during the study, although their associated running speeds increased ( p < 0.05) after 3 months of the study. Decreases in fat mass ( p < 0.05) and muscle mass ( p < 0.05) were observed at the end of the season (9 months). Changes occurred in the different skinfolds according to the characteristics of the training performed during the season. In conclusion, vVO 2 max and vVT 2 increase with a greater volume of kilometres trained and can be adversely affected by loss of muscle mass.

Keywords: skinfolds; fat mass; muscle mass; maximal oxygen consumption; endurance (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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