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Effects of High-Carbohydrate and Low-Fat Versus High-Protein and Low-Carbohydrate Diets on High-Intensity Aerobic Exercise

Toma, Kumika
http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1250797490

Abstract Details

2009, Doctor of Philosophy (PhD), Ohio University, Biological Sciences (Arts and Sciences).
Adequate physical activity and a balanced diet (60 % carbohydrates, 30 % fats, and 10 % proteins of total caloric intake) are two important factors for a healthy life. Individuals who engage in limited physical activities and who have poor eating habits are more likely to be overweight/obese and to have many diseases. Many people who want to maximize their weight loss attempt to combine exercise and diet regimens. Recently a low-carbohydrate high-protein diet has become popular as a weight reduction method. However, the effectiveness and safety of this diet regimen are unclear. Moreover, the effectiveness and safety of this diet regimen when combined with exercise is unknown. In this study, seventeen healthy male subjects were assigned to either a traditional, high-carbohydrate low-fat diet (57.5 % carbohydrates, 25.4 % fats, and 14.2 % protein of total caloric intake) group or an experimental, low-carbohydrate high-protein diet (30.6 % carbohydrates, 38.5 % fats, and 29.9 % protein of total caloric intake) group while participating in seven weeks of high-intensity rowing training. Subjects rowed twice a week during the first three weeks and three times a week during the last four weeks. During the rowing training, post-rowing heart rates were recorded. The rowing intensity was gradually increased to maintain the same post-rowing heart rate. The duration of each rowing session was also gradually extended while the resting time was reduced. After the seven-week rowing training and diet intervention, the traditional diet group showed improvements in cardiovascular function, lipoprofiles, rowing performance, and skeletal muscle size, while the experimental diet group showed improvements in cardiovascular function and lipoprofile but not skeletal muscle fiber size. These results showed that regardless of what people eat, the high-intensity rowing exercise improves their physical fitness level and benefits their health status. However, a high-carbohydrate diet, rather than a high-protein diet, would increase the skeletal muscle fiber size when combined with high-intensity rowing exercise.
Robert S. Hikida (Advisor)
Roger M. Gilders (Committee Member)
Fredrick C. Hagerman (Committee Member)
Robert M. Roe (Committee Member)
Robert S. Staron (Committee Member)
226 p.
Health; Nutrition; Sports Medicine
high-protein diet; low-carbohydrate diet; aerobic exercise; cardiovascular risk factors; skeletal muscle adaptation

Recommended Citations

Citations

  • Toma, K. (2009). Effects of High-Carbohydrate and Low-Fat Versus High-Protein and Low-Carbohydrate Diets on High-Intensity Aerobic Exercise [Doctoral dissertation, Ohio University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1250797490

    APA Style (7th edition)

  • Toma, Kumika. Effects of High-Carbohydrate and Low-Fat Versus High-Protein and Low-Carbohydrate Diets on High-Intensity Aerobic Exercise. 2009. Ohio University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1250797490.

    MLA Style (8th edition)

  • Toma, Kumika. "Effects of High-Carbohydrate and Low-Fat Versus High-Protein and Low-Carbohydrate Diets on High-Intensity Aerobic Exercise." Doctoral dissertation, Ohio University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1250797490

    Chicago Manual of Style (17th edition)

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© 2009, all rights reserved.
This open access ETD is published by Ohio University and OhioLINK.