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Nutrition in strength sports with a focus on protein intake
Krčová, Daniela ; Chytilová, Eva (advisor) ; Krupičková, Zdislava (referee)
This diploma thesis deals with the issue of protein intake in fitness strength sports. Proteins are one of the most important nutrient for strength athletes because muscle mas is made up of about 20% of proteins. Because of athlete's desire for a well-balanced muscular body, they attach proteins a major role and often overstate their significance. Bodybuilding and other strength sports are often associated with extreme protein intake, which can lead to negative health effects (deficiency of some minerals, kidney load, digestive troubles, etc.). The aim of this thesis is to evaluate whether power athletes receive excess, optimum intake or lack of protein according to the current recommendations for sports nutrition. A record sheet for diet intake was used to collect the data. The protein intake of power athletes was calculated in the Nutriservis program and compared with the recommendation according to number of training lessons and the target of the athletes (fat reduction, weight maintenance or muscle growth). The diet of power athletes was also critically evaluated. The results were evaluated by relevant text commentaries and summarized using a graph. The result is that 45% of strength athletes consume excess protein and their intake is higher than 2.0 g protein/kg/day. However, it was also found...
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Proteins in nutrition of recreational bodybuilders
KRČOVÁ, Daniela
This bachelor thesis deal with role of proteins in nutrition of recreational bodybuilders. The first aim of this thesis is to describe the main sources (food and supplements) of protein of conditional bodybuilders. The second aim is to describe average intake of proteins of choosen conditional bodybuilders. Theoretical part of this thesis summarize all important informations about proteins in connection with bodybuilding. The thesis could be useful as a manual for recreatioonal bodybuilders to better understand of protein issue. At first, I occupy with general facts about proteins and recreational bodybuilding. Progressively I describe the protein metabolism and differences in protein intake between common population and bodybuilders. I simply concern important sources of protein in food. I devoted separate chapter to protein timing (nutrient timing) and protein supplements. The final chapter deal with high-protein diets, which are very popular in bodybuilding latest time, especially in weight loss. To acchieve the goals of this bachelor thesis, I have chosen quantitative and qualitative research. The collection of data for quantitative research was realized via questionnaires which were distributed to recreational bodybuilders in the written and electronic form. Written questionnaire was given to several recreational bodybuilders in the gym. Electronic questionnaire was published on online bodybuilding forum Ronnie.cz. Results of quantitative research are presented in the form of the graphs. For qualitative research I have used the recording sheet to which the selected recreational bodybuilders recorded their one-week diet. These data were evaluated in the program Nutriservis. The results were compared with the recommendations of protein intake and interpreted in the form of the tables and text evaluation. Results of the research confirmed my hypothesis that most of recreational bodybuilders consume more proteins than they actually need. According to frequency form, recreational bodybuilders prefer rather animal proteins than plant proteins. Qualitative evaluation also indicated that conditional bodybuilders diet is often very stereotypical.
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