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Original scientific paper

Analysis of diet optimization models for enabling conditions for hypertrophic muscle enlargement in athletes

D. Magdić orcid id orcid.org/0000-0001-6222-6468 ; Josip Juraj Strossmayer University of Osijek, Faculty of Food Technology Osijek, Franje Kuhača 20, HR-31000 Osijek, Croatia
Jasenka Gajdoš Kljusurić ; University of Zagreb, Faculty of Food Technology and Biotechnology, Pierottijeva 6, HR-10000, Zagreb, Croatia
L. Matijević ; Josip Juraj Strossmayer University of Osijek, Faculty of Food Technology Osijek, Franje Kuhača 20, HR-31000 Osijek, Croatia
D. Frketić ; University of Zagreb, Faculty of Food Technology and Biotechnology, Pierottijeva 6, HR-10000, Zagreb, Croatia


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Abstract

In this study mathematical models were created and used in diet optimization for an athlete – recreational bodybuilder for pretournament period. The main aim was to determine weekly menus that can enable conditions for the hypertrophic muscle enlargement and to reduce the fat mass in a body. Each daily offer was planned to contain six to seven meals but with respect to several user’s personal demands. Optimal carbohydrates, fat and protein ratio in diet for enabling hypertrophy, recommended in literature, was found to be 43:30:27 and was chosen as the target in this research. Variables included in models were presented dishes and constraints, observed values of the offers; price, mass of consumed food, energy, water and content of different nutrients. The general idea was to create the models and to compare different programs in solving a problem. LINDO and MS Excel were recognized as widely spread and were chosen for model testing and examination. Both programs were suggested weekly menus that were acceptable to the user and were met all recommendations and demands. Weekly menus were analysed and compared. Sensitivity tests from both programs were used to detect possible critical points in the menu. Used programs produced slightly different results but still with very high correlation between proposed weekly intakes (R2=0.99856, p<0.05) so both can be successfully used in the pretournament period of bodybuilding and recommended for this complex task.

Keywords

model, hypertrophy, athletes, diet, optimization

Hrčak ID:

106158

URI

https://hrcak.srce.hr/106158

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