期刊
SCANDINAVIAN JOURNAL OF MEDICINE & SCIENCE IN SPORTS
卷 20, 期 -, 页码 14-23出版社
WILEY
DOI: 10.1111/j.1600-0838.2010.01069.x
关键词
glycogen depletion; muscle CP; lactate; heart rate; soccer; small-sided games; time-motion analyses
资金
- Danish Ministry of Culture (Kulturministeriets Udvalg for Idraetsforskning)
- FIFA-Medical Assessment and Research Centre (F-MARC)
- Danish Football Association (Dansk Boldspil-Union)
- Danish Sports Federation (Danmarks Idraets Forbund)
- Team Denmark
The present study examined the activity profile, heart rate and metabolic response of small-sided football games for untrained males (UM, n=26) and females (UF, n=21) and investigated the influence of the number of players (UM: 1v1, 3v3, 7v7; UF: 2v2, 4v4 and 7v7). Moreover, heart rate response to small-sided games was studied for children aged 9 and 12 years (C9+C12, n=75), as well as homeless (HM, n=15), middle-aged (MM, n=9) and elderly (EM, n=11) men. During 7v7, muscle glycogen decreased more for UM than UF (28 +/- 6 vs 11 +/- 5%; P < 0.05) and lactate increased more (18.4 +/- 3.6 vs 10.8 +/- 2.1 mmol kg-1 d.w.; P < 0.05). For UM, glycogen decreased in all fiber types and blood lactate, glucose and plasma FFA was elevated (P < 0.05). The mean heart rate (HRmean) and time > 90% of HRmax ranged from 147 +/- 4 (EM) to 162 +/- 2 (UM) b.p.m. and 10.8 +/- 1.5 (UF) to 47.8 +/- 5.8% (EM). Time > 90% of HRmax (UM: 16-17%; UF: 8-13%) and time spent with high speed running (4.1-5.1%) was similar for training with 2-14 players, but more high-intensity runs were performed with few players (UM 1v1: 140 +/- 17; UM 7v7: 97 +/- 5; P < 0.05): Small-sided games were shown to elucidate high heart rates for all player groups, independently of age, sex, social background and number of players, and a high number of intense actions both for men and women. Thus, small-sided football games appear to have the potential to create physiological adaptations and improve performance with regular training for a variety of study groups.
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