Assessing the Validity of Bioelectrical Impedance and Skinfold Calipers for Measuring Body Composition in NOLS Backcountry Hikers
Assessing the Validity of Bioelectrical Impedance and Skinfold Calipers for Measuring Body Composition in NOLS Backcountry Hikers
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DOI：
10.1016/j.wem.2019.06.011
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发表时间：
2019-12-01
影响因子：
1.4
通讯作者：
Rochelle, Shannon G.
中科院分区：
文献类型：
--
作者：
Boughman, Jihan K.;Masters, Melissa A.;Rochelle, Shannon G.
导言-国家户外领导学校(NOLS)开展野外研究，努力为其学生提供最新的支持。过去的研究工作使用了各种身体成分测量工具，包括生物电阻抗(BIA)、皮褶卡尺和空气置换体积描记仪(BOD Pod)，但这些工具不能互换。这项研究的目的是确定Tanita量表和Harpenden皮褶卡尺用于评估野外徒步旅行者身体成分的可行性和准确性。方法-22名NOLS参与者完成了一次23天的背包旅行，进入怀俄明州的Wind River山脉。使用3种不同的身体成分测量工具收集远征前后的人体测量数据：Tanita节段性身体成分监测器、Harpenden皮褶卡尺和Bod Pod。在这项研究中，BOD Pod被用作标准，并与其他方法进行比较。结果：参与者在探险过程中减掉了大量的体重和脂肪。脱脂体重增加了0.4+/-1.9公斤，但没有达到显著水平。皮褶卡尺和Bod Pod之间以及BIA和Bod Pod之间有很高的可靠性。与Bod Pod相比，BIA测量显著低估了体脂百分比，而皮褶测量与Bod Pod没有显著差异，但测量结果更具可变性。结论--本研究表明，皮褶卡尺和Tanita量表在野外探险参与者中提供的测量结果与不太容易获得且成本更高的Bod Pod测量结果相当。
Introduction-The National Outdoor Leadership School (NOLS) conducts backcountry research in an effort to provide the most up-to-date support to its students. Past research efforts have used a variety of body composition measurement tools, including bioelectrical impedance (BIA), skinfold calipers, and air displacement plethysmography (Bod Pod), but these tools are not interchangeable. The purpose of this study was to determine the feasibility and accuracy of the Tanita scale and the Harpenden skinfold calipers for assessing body composition in backcountry hikers.Methods-Twenty-two NOLS participants completed a 23-d backpacking trip into the Wind River Range in Wyoming. Pre- and postexpedition anthropometric measures were collected using 3 different body composition measurement tools: Tanita segmental body composition monitor, Harpenden skinfold calipers, and the Bod Pod. For the purposes of this study, the Bod Pod was used as the standard against which other methods were compared.Results-Participants lost a significant amount of weight and fat during the expedition. Fat-free mass increased by 0.4 +/- 1.9 kg, but this did not reach significance. A high degree of reliability was found between skinfold calipers and the Bod Pod and between BIA and the Bod Pod. The BIA measurements significantly underreported body fat percentage when compared to the Bod Pod, whereas the skinfold measurements were not significantly different from the Bod Pod, but measurements were more variable.Conclusions-This study shows that the skinfold caliper and the Tanita scale give measurements comparable to the less readily available and more costly Bod Pod measurement in backcountry expedition participants.