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首页> 外文期刊>International journal of sport nutrition >Effects of in-season (5 weeks) creatine and pyruvate supplementation on anaerobic performance and body composition in American football players.
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Effects of in-season (5 weeks) creatine and pyruvate supplementation on anaerobic performance and body composition in American football players.

机译：季节性（5周）肌酸和丙酮酸补充对美式足球运动员厌氧性能和身体成分的影响。

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摘要

The purpose of this investigation was to study the efficacy of two dietary supplements on measures of body mass, body composition, and performance in 42 American football players. Group CM (n = 9) received creatine monohydrate, Group P (n = 11) received calcium pyruvate, Group COM (n = 11) received a combination of calcium pyruvate (60%) and creatine (40%), and Group PL received a placebo. Tests were performed before (T1) and after (T2) the 50 week supplementation period, during which the subjects continued their normal training schedules. Compared to P and PL, CM and COM showed significantly greater increases for body mass, lean body mass, 1 repetition maximum (RM) bench press, combined 1 RM squat and bench press, and static vertical jump (SVJ) power output. Peak rate of force development for SVJ was significantly greater for CM compared to P and PL. Creatine and the combination supplement enhanced training adaptations associated with body mass/composition, maximum strength, and SVJ; however, pyruvate supplementation alone was ineffective.
机译：这项研究的目的是研究42种美式足球球员中两种膳食补充剂对体重，身体成分和运动表现的影响。 CM组（n = 9）接受一水肌酸，P组（n = 11）接受丙酮酸钙，COM组（n = 11）接受丙酮酸钙（60％）和肌酸（40％）的组合，PL组接受安慰剂。在50周补充期之前（T1）和之后（T2）进行了测试，在此期间，受试者继续正常的训练计划。与P和PL相比，CM和COM的体重，瘦体重，1次最大重复（RM）卧推，1个RM下蹲和卧推以及静态垂直跳动（SVJ）功率输出显着增加。与P和PL相比，CM的SVJ力峰值发展速度明显更高。肌酸和两者结合可以增强与体重/组成，最大力量和SVJ相关的训练适应性;但是，单独补充丙酮酸是无效的。

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