现代美国海军陆战队女性的身体表现和身体成分参考值

IF 3.3 Q2 NUTRITION & DIETETICS BMJ Nutrition, Prevention and Health Pub Date : 2023-10-28 DOI:10.1136/bmjnph-2023-000757
Adam W Potter, David P Looney, William J Tharion, Lyndsey J Nindl, Angie Pazmino, Lara D Soto, Danielle M Arcidiacono, Karl E Friedl
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Body composition measures were obtained using dual-energy X-ray absorptiometry and single-frequency bioelectrical impedance analyses. Performance measures were obtained from official physical and combat fitness test scores (PFT; CFT) as well as from data on measured countermovement jumps (CMJ) on a calibrated force platform. Results Mean body composition metrics for Marine women were: 47.5±5.7 fat free mass (FFM) (kg), 30.1%±6.4% body fat (%BF), 2.6±0.3 bone mineral content (kg), and 25.5±2.8 body mass index (kg/m 2 ); performance metrics included 43.4±3.2 maximal oxygen uptake (VO2max; mL.kg.min), 22.4±7.1 CMJ height (cm) and 2575±565.2 CMJ peak power (W). Data showed strong correlations (r) (≥0.70) between PFT and VO2max scores (0.75), and moderate correlations (≥0.50) between CFT and VO2max scores (0.57), CFT and PFT scores (0.60), FFM and CMJ peak power (W) (0.68), and %BF to VO2max (−0.52), PFT (−0.54), CMJ-Ht (−0.52) and CMJ relative power (W/kg) (−0.54). 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引用次数: 0

摘要

在过去的几十年里,女性在美国军队中的角色逐渐发生了变化。此前,女性被禁止担任战斗角色。最近的政策变化允许女性在海军陆战队担任战斗角色,这导致女性接受战斗专业训练。目的:本观察性横断面研究描述了现代海军陆战队女性的身体组成和表现价值。方法选取736名海军陆战队女性作为志愿者,对她们的身体成分和体能进行评估;年龄29.5±7.3(18-56)岁;高度163.6±6.8 (131.0-186.1)cm;体重68.3±9.2 (42.0-105.3)kg;服役年限(8.9±6.8(0.5-37)年)。采用双能x线吸收仪和单频生物电阻抗分析获得体成分测量。成绩测量来自官方身体和战斗健康测试分数(PFT);CFT)以及校准力平台上测量的反运动跳(CMJ)数据。结果海洋女性平均体成分指标为:无脂质量(FFM) 47.5±5.7 (kg),体脂(%BF) 30.1%±6.4%,骨矿物质含量(kg) 2.6±0.3,体质量指数(kg/ m2) 25.5±2.8;性能指标包括43.4±3.2最大摄氧量(VO2max);mL.kg.min), 22.4±7.1 CMJ高度(cm), 2575±565.2 CMJ峰值功率(W)。数据显示,PFT与VO2max评分(0.75)之间存在强相关性(r)(≥0.70),CFT与VO2max评分(0.57),CFT与PFT评分(0.60),FFM与CMJ峰值功率(W) (0.68), BF / VO2max (- 0.52), PFT (- 0.54), CMJ- ht(- 0.52)和CMJ相对功率(W/kg)(- 0.54)之间存在中度相关性(≥0.50)。结论现代海军女性身材苗条,身体素质高。身体成分并不能很好地预测身体的整体表现。
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Physical performance and body composition reference values for modern US Marine Corps women
Women’s roles in the US military have progressively changed over the past several decades. Previously women were barred from combat roles. Recent change in policy allow women into combat roles in the Marine Corps, and this has led to women being trained for combat specialties. Objectives This observational cross-sectional study describes body composition and performance values for modern Marine Corps women. Methods Volunteers were 736 Marine women who were assessed for body composition and physical performance; (age 29.5±7.3 (18–56) years; height 163.6±6.8 (131.0–186.1) cm; body mass 68.3±9.2 (42.0–105.3) kg; years in the military 8.9±6.8 (0.5–37) years-in-service). Body composition measures were obtained using dual-energy X-ray absorptiometry and single-frequency bioelectrical impedance analyses. Performance measures were obtained from official physical and combat fitness test scores (PFT; CFT) as well as from data on measured countermovement jumps (CMJ) on a calibrated force platform. Results Mean body composition metrics for Marine women were: 47.5±5.7 fat free mass (FFM) (kg), 30.1%±6.4% body fat (%BF), 2.6±0.3 bone mineral content (kg), and 25.5±2.8 body mass index (kg/m 2 ); performance metrics included 43.4±3.2 maximal oxygen uptake (VO2max; mL.kg.min), 22.4±7.1 CMJ height (cm) and 2575±565.2 CMJ peak power (W). Data showed strong correlations (r) (≥0.70) between PFT and VO2max scores (0.75), and moderate correlations (≥0.50) between CFT and VO2max scores (0.57), CFT and PFT scores (0.60), FFM and CMJ peak power (W) (0.68), and %BF to VO2max (−0.52), PFT (−0.54), CMJ-Ht (−0.52) and CMJ relative power (W/kg) (−0.54). Conclusion Modern Marine women are both lean and physically high performing. Body composition is a poor predictor of general physical performance.
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来源期刊
BMJ Nutrition, Prevention and Health
BMJ Nutrition, Prevention and Health Nursing-Nutrition and Dietetics
CiteScore
5.80
自引率
0.00%
发文量
34
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