Influence of a strength unit on the medicine ball throw performance in high school students
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Abstract
The aim of this study was to analyze the effect of a strength unit on the medicine ball throw capacity (LBM) in high school students. 132 adolescents (16,8 ± 0,7 years; 61,7 ± 11,1 kg; 1,68 ± 0,09 m; 21,9 ± 3,1 kg·m-2), corresponding to 1st high school level of Benjamin Institute, participated in this study. 57 were boys and 75 were girls. In a previous session before starting the study (T1), an assessment of medicine ball throw capacity (LBM) was performed for all participants. Then, 2 sessions per week during 8 weeks of a strength unit was developed. After this intervention (T2), the same assessment was again performed. A t test for paired samples was used to compare the differences between the results in T1 and T2 for all participants, for boys group and for girls group. The results showed a significant improvement (p < 0,01) in the LBM in all participants (% = 6,28; d = -0,34), in boys (% = 7,41; d = -0,51) and in girls (% = 5,22; d = -0,28) after a 8-week intervention program. Strength unit that, consisted in 16 sessions with 60 minutes per session and 8 consecutive weeks, induced an improvement on the medicine ball throw capacity in boys and girls of the 1st high school level.
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