Yehia Bagato, A., Samy Mahmoud, M. (2014). Post Exercise Glycogenin Activity Related to Ingestion of Carbohydrates and Protein Mixture through Gymnastics Training Program. Journal of Applied Sports Science, 4(1), 211-221. doi: 10.21608/jass.2014.84816
Ayat Yehia Bagato; Mohamed Samy Mahmoud. "Post Exercise Glycogenin Activity Related to Ingestion of Carbohydrates and Protein Mixture through Gymnastics Training Program". Journal of Applied Sports Science, 4, 1, 2014, 211-221. doi: 10.21608/jass.2014.84816
Yehia Bagato, A., Samy Mahmoud, M. (2014). 'Post Exercise Glycogenin Activity Related to Ingestion of Carbohydrates and Protein Mixture through Gymnastics Training Program', Journal of Applied Sports Science, 4(1), pp. 211-221. doi: 10.21608/jass.2014.84816
Yehia Bagato, A., Samy Mahmoud, M. Post Exercise Glycogenin Activity Related to Ingestion of Carbohydrates and Protein Mixture through Gymnastics Training Program. Journal of Applied Sports Science, 2014; 4(1): 211-221. doi: 10.21608/jass.2014.84816
Post Exercise Glycogenin Activity Related to Ingestion of Carbohydrates and Protein Mixture through Gymnastics Training Program
1Faculty of Physical Education for Girls, Helwan University, Cairo, Egypt
2Faculty of Physical Education, Sadat City University, Sadat City, Egypt
Abstract
Background: Regular intensive gymnastic exercise activities causes muscle glycogen and protein depletion. Post-exercise recovery helps re-synthesis of glycogen and proteins. Ingestion of carbohydrates alone or with protein after exercise stimulates re-synthesis. All previous studies investigated tissue biopsies for estimating glycogen and protein resynthesis. The initiation of glycogen synthesis is provided by a self-glucosylation of a protein self extracting enzyme glycogenin under the control of insulin and blood glucose levels. Plasma glycogenin could be used as a good marker for glycogen resynthesis. Methods: Sixteen male students from the faculty of physical education for boys, Menufia University, grade four were constituted subjects of this study. They were subgrouped in two equal groups, subjected to a gymnastic training program for three months. The first group (control) ingested sucrose at the end of every training session while the second (experimental) ingested a mixture of CHO/protein beverage. Their anthropometric measurements and blood glycogenin-1, insulin and glucose were assayed and correlated. Results: All variables were revealed significant improvement in all physical measurements with increased response of post exercise blood levels in glycogenin-1 and insulin with administration of post-exercise sucrose or CHO/protein drinks with most higher results of the mixture. Conclusions: It is concluded that gymnastic training program with post exercise carbohydrate or CHO/protein intake increase the physical efficiency with improved high performance.
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