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The effect of weight loss by ketogenic diet on the body composition, performance-related physical fitness factors and cytokines of Taekwondo athletes.
J Exerc Rehabil 2014; 10(5):326-31JE

Abstract

The purpose of this study was to investigate the effects of the weight loss through 3 weeks of ketogenic diet on performance-related physical fitness and inflammatory cytokines in Taekwondo athletes. The subjects selected for this research were 20 Taekwondo athletes of the high schools who participated in a summer camp training program. The subjects were randomly assigned to 2 groups, 10 subjects to each group: the ketogenic diet (KD) group and the non-ketogenic diet (NKD) group. Body composition, performance-related physical fitness factors (2,000 m sprint, Wingate test, grip force, back muscle strength, sit-up, 100 m sprint, standing broad jump, single leg standing) and cytokines (Iinterleukin-6, Interferon-γ, tumor necrosis factor-α) were analyzed before and after 3weeks of ketogenic diet. No difference between the KD and NKD groups in weight, %body fat, BMI and fat free mass. However, the KD group, compared to the NKD group, finished 2,000 m sprint in less time after weight loss, and also felt less fatigue as measured by the Wingate test and showed less increase in tumor necrosis factor-α. This result suggests that KD diet can be helpful for weight category athletes, such as Taekwondo athletes, by improving aerobic capacity and fatigue resistance capacity, and also by exerting positive effect on inflammatory response.

Authors+Show Affiliations

Department of Sports Health Medicine, Jungwon University, Chungbuk, Korea.Department of Human Movement Science, Seoul Women's University, Seoul, Korea.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

25426472

Citation

Rhyu, Hyun-Seung, and Su-Youn Cho. "The Effect of Weight Loss By Ketogenic Diet On the Body Composition, Performance-related Physical Fitness Factors and Cytokines of Taekwondo Athletes." Journal of Exercise Rehabilitation, vol. 10, no. 5, 2014, pp. 326-31.
Rhyu HS, Cho SY. The effect of weight loss by ketogenic diet on the body composition, performance-related physical fitness factors and cytokines of Taekwondo athletes. J Exerc Rehabil. 2014;10(5):326-31.
Rhyu, H. S., & Cho, S. Y. (2014). The effect of weight loss by ketogenic diet on the body composition, performance-related physical fitness factors and cytokines of Taekwondo athletes. Journal of Exercise Rehabilitation, 10(5), pp. 326-31. doi:10.12965/jer.140160.
Rhyu HS, Cho SY. The Effect of Weight Loss By Ketogenic Diet On the Body Composition, Performance-related Physical Fitness Factors and Cytokines of Taekwondo Athletes. J Exerc Rehabil. 2014;10(5):326-31. PubMed PMID: 25426472.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The effect of weight loss by ketogenic diet on the body composition, performance-related physical fitness factors and cytokines of Taekwondo athletes. AU - Rhyu,Hyun-Seung, AU - Cho,Su-Youn, Y1 - 2014/10/31/ PY - 2014/10/15/received PY - 2014/10/18/accepted PY - 2014/11/27/entrez PY - 2014/11/27/pubmed PY - 2014/11/27/medline KW - Cytokines KW - Ketogenic diet KW - Physical fitness factors KW - Taekwondo SP - 326 EP - 31 JF - Journal of exercise rehabilitation JO - J Exerc Rehabil VL - 10 IS - 5 N2 - The purpose of this study was to investigate the effects of the weight loss through 3 weeks of ketogenic diet on performance-related physical fitness and inflammatory cytokines in Taekwondo athletes. The subjects selected for this research were 20 Taekwondo athletes of the high schools who participated in a summer camp training program. The subjects were randomly assigned to 2 groups, 10 subjects to each group: the ketogenic diet (KD) group and the non-ketogenic diet (NKD) group. Body composition, performance-related physical fitness factors (2,000 m sprint, Wingate test, grip force, back muscle strength, sit-up, 100 m sprint, standing broad jump, single leg standing) and cytokines (Iinterleukin-6, Interferon-γ, tumor necrosis factor-α) were analyzed before and after 3weeks of ketogenic diet. No difference between the KD and NKD groups in weight, %body fat, BMI and fat free mass. However, the KD group, compared to the NKD group, finished 2,000 m sprint in less time after weight loss, and also felt less fatigue as measured by the Wingate test and showed less increase in tumor necrosis factor-α. This result suggests that KD diet can be helpful for weight category athletes, such as Taekwondo athletes, by improving aerobic capacity and fatigue resistance capacity, and also by exerting positive effect on inflammatory response. SN - 2288-176X UR - https://wwww.unboundmedicine.com/medline/citation/25426472/The_effect_of_weight_loss_by_ketogenic_diet_on_the_body_composition_performance_related_physical_fitness_factors_and_cytokines_of_Taekwondo_athletes_ L2 - http://www.e-jer.org/journal/view.php?year=2014&vol=10&page=326 DB - PRIME DP - Unbound Medicine ER -