期刊
RESEARCH IN SPORTS MEDICINE
卷 28, 期 2, 页码 206-216出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/15438627.2019.1643349
关键词
Youth football; GPS devices; task constraints; time-motion variables; physical conditioning
资金
- Fundacao de Amparo a Pesquisa do Estado de Minas Gerais [APQ-00531-18]
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior and Pro-reitoria de Pesquisa/Universidade Federal de Minas Gerais
This study aimed to compare the physical and physiological responses of young football players of different categories during small-sided games (SSGs) played on different pitch sizes. Forty-eight (24 U-13 and 24 U-14) athletes played a 3 vs. 3 + 1 SSG in two experimental conditions: regular (36 x 27 m) and large pitch sizes (40 x 29 m). The total distance covered, the distances covered at different speed zones (0 to 6.9 km/h, 6.9 to 14.3, and 14.3 to 21.4), maximum heart rate, and mean heart rate were recorded. The results showed that older athletes covered larger distances during SSGs (p = 0.001; d = 0.937; large effect) and lower distances at the lowest (0-6.9 km/h) speed zone (p = 0.001; d = 0.657; moderate-to-large effect). Neither the physical nor physiological variables (except for distance covered between 14.3 and 21.4 km/h) differed between pitch sizes. This result indicates that pitch size may not impact the physical or physiological responses of U-13 and U-14 players during SSGs, but differences between categories were found. In conclusion, the development of tactical skills may be desirable to better explore the available space in the same age categories.
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