The researcher used the experimental method with two groups: an experimental group and a control group. He used the pre- test/ post- test measurement experimental design as it was deemed the most appropriate for the nature of this research.
The research population consisted of male soccer players under 18 years of age registered at 6th October club, Guiza Governorate, in the sport season 2013/2014.
The research sample was selected by complete census method from all the soccer players below 18 years of age at 6th October club. The research sample consisted of 32 soccer players below 18 years of age. The goalkeepers (two) were excluded. The core sample consisted of 22 players divided into two groups: an experimental group and a control group. Each group consisted of 11 players.
Younis Abdelaal, A. (2016). The effect of glycogenic training on some physical variables and cortisol and testosterone levels. Assiut Journal of Sport Science and Arts, 116(1), 232-247. doi: 10.21608/ajssa.2016.70639
MLA
Abdelhady Ibrahim Younis Abdelaal. "The effect of glycogenic training on some physical variables and cortisol and testosterone levels". Assiut Journal of Sport Science and Arts, 116, 1, 2016, 232-247. doi: 10.21608/ajssa.2016.70639
HARVARD
Younis Abdelaal, A. (2016). 'The effect of glycogenic training on some physical variables and cortisol and testosterone levels', Assiut Journal of Sport Science and Arts, 116(1), pp. 232-247. doi: 10.21608/ajssa.2016.70639
VANCOUVER
Younis Abdelaal, A. The effect of glycogenic training on some physical variables and cortisol and testosterone levels. Assiut Journal of Sport Science and Arts, 2016; 116(1): 232-247. doi: 10.21608/ajssa.2016.70639