Sports Medicine Unit, Department of Community Medicine and Rehabilitation, Umeå University, Umeå, Sweden.
Department of Human Physiology, Gonzaga University, Spokane, Washington (retired).
J Strength Cond Res. 2019 Sep;33(9):2496-2502. doi: 10.1519/JSC.0000000000002400.
Gilenstam, K and Geithner, CA. Body composition of women's ice hockey players: comparison of estimates using skinfolds and iDXA. J Strength Cond Res 33(9): 2496-2502, 2019-The purpose of this study was to compare percent fat (% fat) estimates from anthropometric equations using skinfolds (SKF) in women's ice hockey players with estimates obtained from Lunar iDXA. Data were collected on 19 elite female Swedish hockey players (mean age ± SD = 18.4 ± 2.4 years). Four SKF (triceps, abdominal, suprailiac, and thigh) were measured within 2 hours of iDXA assessments. The % fat estimates from iDXA and 4 anthropometric equations were compared using paired t tests, and a 1-way analysis of variance was used to compare % fat estimates from the anthropometric equations. Bland-Altman analyses were used to assess agreement between % fat estimates from SKF and iDXA. The significance level was set a priori at p ≤ 0.05. The % fat estimates from anthropometric equations were significantly lower than those from iDXA (mean ± SD: 26.85 ± 4.93%, p = 0.000). Bland-Altman analyses indicated mean differences of -7.96 to -10.13 percentage points between anthropometric equations and iDXA. Estimates of % fat from anthropometric equations (range: 16.72-18.89%) were within the range reported in earlier studies using the sum of 7 SKF. Thus, SKF offer a reasonable alternative to iDXA for this population but result in underestimates of % fat relative to iDXA. Strength and conditioning coaches should use the same body composition assessment method consistently, and interpret the results with caution, as they are estimates and not true values.
吉伦斯坦，K 和盖斯纳，CA。女子冰球运动员的身体成分：使用皮褶和 iDXA 估算的比较。J 强量研究 33(9)：2496-2502，2019-本研究的目的是比较使用皮褶（SKF）的人体测量方程估算的女性冰球运动员的体脂百分比（% fat）与 Lunar iDXA 获得的估算值。数据采集于 19 名瑞典精英女子曲棍球运动员（平均年龄 ± SD = 18.4 ± 2.4 岁）。在 iDXA 评估后 2 小时内测量了 4 个 SKF（三头肌、腹部、髂骨上和大腿）。使用配对 t 检验比较 iDXA 和 4 个人体测量方程的% fat 估算值，使用单因素方差分析比较人体测量方程的% fat 估算值。Bland-Altman 分析用于评估 SKF 和 iDXA 的% fat 估算值之间的一致性。显著性水平预先设定为 p ≤ 0.05。人体测量方程的% fat 估算值明显低于 iDXA（平均值 ± SD：26.85 ± 4.93%，p = 0.000）。Bland-Altman 分析表明，人体测量方程与 iDXA 之间的平均差异为-7.96 至-10.13 个百分点。人体测量方程的% fat 估算值（范围：16.72-18.89%）在使用 7 个 SKF 总和的早期研究中报告的范围内。因此，SKF 为该人群提供了一种替代 iDXA 的合理方法，但相对于 iDXA 会导致体脂%的低估。力量和体能教练应始终使用相同的身体成分评估方法，并谨慎解释结果，因为它们是估算值而不是真实值。
