ArticleJournal of science and medicine in sport2025
Ultrasound-assessed thigh fat thickness is valid for estimating body fat percentage in Division I collegiate female athletes.
Article in Journal of science and medicine in sport, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesMonitoring body composition can help to optimize performance in female athletes. This study aimed to create a conversion equation between dual-energy X-ray absorptiometry-measured body fat percentage and ultrasound-measured subcutaneous thigh fat thickness in Division I female athletes as a more accessible, cost-effective alternative.
designCross-sectional study.
methodsWe enrolled 82 Division I female athletes. Dual-energy X-ray absorptiometry was used to assess body fat percentage. Bilateral panoramic thigh ultrasound scans at 50 % of the femur length were used to calculate subcutaneous fat thickness overlying the rectus femoris muscle. The dataset was divided into a training (70 %, n = 57) and holdout (30 %, n = 25) sample to develop and validate the conversion equation, respectively. Using the training sample, a stepwise, linear regression was used to predict dual-energy X-ray absorptiometry body fat percentage from ultrasound fat thickness, mass, and height. Beta coefficients from this model were used to create a conversion equation. After applying the conversion equation to the holdout sample, intraclass correlation coefficients (ICC
resultsWithin the training sample, dual-energy X-ray absorptiometry was significantly associated with ultrasound fat thickness, height, and mass (F = 31.9; p < 0.001; R
conclusionsUltrasound-assessed subcutaneous thigh fat thickness predicts dual-energy X-ray absorptiometry-assessed body fat percentage in Division I female athletes.
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