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首页> 外文期刊>Journal of strength and conditioning research >Changes in Body Composition in Division I Football Players Over a Competitive Season and Recovery in Off-Season
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Changes in Body Composition in Division I Football Players Over a Competitive Season and Recovery in Off-Season

机译：甲级联赛足球运动员整个赛季的身体成分变化和淡季恢复

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Binkley, TL, Daughters, SW, Weidauer, LA, and Vukovich, MD. Changes in body composition in Division I football players over a competitive season and recovery in off-season. J Strength Cond Res 29(9): 2503-2512, 2015-This study investigated changes in body composition over 1 competitive football season in D-I collegiate football players (N = 53; by position, 21 linemen vs. 32 nonline; or by seniority, 30 upperclassmen vs. 23 underclassmen) and additional changes by the following spring season (N = 46; 20 linemen vs. 26 nonline; 27 upperclassmen vs. 19 underclassmen). Body composition by dual-energy x-ray absorptiometry (DXA) was completed pre- and post-season and the following spring. For the team as a whole, player weight decreased 1.3 kg (1.2%) and lean mass decreased 1.4 kg (1.6%) over the season. Absolute fat mass showed no change; however, percent body fat showed a 0.5% increase. There was an interaction between player position and seniority for changes in lean mass (p < 0.01). In nonline positions upperclassmen lost more lean mass than underclassmen, whereas in line positions underclassmen lost more lean mass than upperclassmen. Spring measures indicate that weight did not increase during the off-season, but improvement in body composition was noted. Lean mass increased by 2.2 kg (2.6%), whereas absolute fat mass decreased by 1.4 kg (6.7%). Although weight and lean mass losses during the competitive season were recovered in the off-season, changes in collegiate football programs that include nutrition counseling, dietary recommendations, monitoring of weight, and skin-fold testing as an estimate of body fat change would be beneficial to players. Strength and conditioning coaches and staff need to consider strategies to incorporate these practices into their programs.
机译：宾克利（Binkley，TL），女儿（Daughters），西南（SW），路易斯安那州魏道尔（Weidauer）和医学博士（Vukovich）在竞争激烈的赛季中，I区足球运动员的身体成分发生变化，淡季恢复。 J Strength Cond Res 29（9）：2503-2512，2015年-这项研究调查了DI大学生橄榄球运动员在1个职业足球赛季中身体成分的变化（N = 53;按位置，21名线员vs. 32名非线员;或按资历） ，30名高年级学生与23名低年级学生），以及在接下来的春季之前进行的其他更改（N = 46; 20名线务员与26名非线职人员; 27名高年级学生与19名低级学生）。通过双能X线骨密度仪（DXA）进行的人体成分在季节的前，后和春季之后完成。在整个赛季中，整个赛季的球员体重减少了1.3公斤（1.2％），瘦体重减少了1.4公斤（1.6％）。绝对脂肪量没有变化。但是，体内脂肪百分比显示增加了0.5％。瘦体重发生变化时，球员的位置和资历之间存在相互作用（p <0.01）。在非在线职位上，高年级学生的瘦体重要比低班级的学生要多，而在在线职位上，低年级学生的瘦体重要比高年级的学生多。春季措施表明，淡季期间体重没有增加，但身体成分有所改善。瘦体重增加了2.2千克（2.6％），而绝对脂肪减少了1.4千克（6.7％）。尽管可以在淡季恢复比赛季节的体重和瘦体重减轻，但大学橄榄球计划的变化，包括营养咨询，饮食建议，体重监测和皮肤折叠测试（估计人体脂肪变化）将是有益的给玩家。力量和条件教练和员工需要考虑将这些实践纳入其计划的策略。

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