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Low- or moderate-carbohydrate calorie-restricted diets have similar effects on body composition and taekwondo performance after high-carbohydrate recovery meals

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dc.creatorHsu, Chin
dc.creatorHuang, Yun-Wen
dc.creatorLin, Shu-Mei
dc.creatorLu, Ching-Shih
dc.creatorChen, Chung-Yu
dc.creatorChang, Chen-Kang
dc.date2023-10
dc.date.accessioned2023-11-30T07:11:13Z
dc.date.accessioned2025-07-28T15:04:48Z
dc.date.available2023-11-30T07:11:13Z
dc.date.issued2023-11-30T07:11:13Z
dc.description.abstractLow-carbohydrate (LC) diets are popular among general and athletic populations attempting to lose body mass. This study investigated the effect of a 7-day LC or moderate-carbohydrate (MC) calorie-restricted diet followed by 18-h recovery on body composition and taekwondo-specific performance. In this randomised cross-over study, 12 male taekwondo athletes consumed an LC (10% of carbohydrate, 41% of protein, 49% of fat, and 15.8 +/- 0.4 kcal/kg/day) or an isocaloric MC diet (60% of carbohydrate, 30% of protein, and 10% of fat) for 7 days. The participants then consumed a carbohydrate-rich recovery dinner (39.2 +/- 3.1 kcal/kg) followed by breakfast (6.2 +/- 0.4 kcal/kg) in both the trials. Three repeated sprint ability (RSA) tests were conducted after breakfast. The taekwondo-specific reaction battery was administered before the first RSA test and after each RSA test. The participants experienced similar magnitudes of significant loss of body mass in the LC (-2.4 +/- 1.7%) and MC (-2.3 +/- 1.7%) trials. Fat mass and fat percentage significantly decreased in the MC trial but remained unchanged in the LC trial after body mass loss. Fat free mass was maintained in both the trials. The average and peak power in the RSA tests and the premotor reaction time were similar between the trials. The participants experienced significantly higher fatigue in the LC trial. In conclusion, both the diets can help athletes rapidly lose body mass while maintaining performance as long as an adequate amount of carbohydrate is consumed during the recovery period.
dc.format.extent152 bytes
dc.format.mimetypetext/html
dc.identifier.issn1746-1391
dc.identifier.urihttps://ir.ntus.edu.tw/handle/987654321/65643
dc.languageen_US
dc.publisherOXON, ENGLAND, TAYLOR & FRANCIS
dc.relationEUROPEAN JOURNAL OF SPORT SCIENCE, 23(10), p.1983-1992
dc.subjectBody composition
dc.subjectexercise
dc.subjectperformance
dc.subjectmotor control
dc.subjectnutrition
dc.titleLow- or moderate-carbohydrate calorie-restricted diets have similar effects on body composition and taekwondo performance after high-carbohydrate recovery meals
dc.typearticle
dspace.entity.typePublication

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