Document Type : Research Paper
Authors
Islamic Azad University,Kermanshah branch,Harsin center
Abstract
The aim of this study was to investigate the effect of four weeks of detraining after one period of strength training with two loading patterns (double-pyramid & reverse step) on muscle strength, endurance, body composition and Hormonal changes in young wrestlers. For this aim, 14 wrestlers from city of Rasht participated in this study voluntarly (age 17.30± 2.42 years; height 170.41± 6.14 cm; weight 72.29±13 Kg; and BF% 12.39± 7.39). They had a history of training at least 6 months and were randomly divided in 2 groups; double-pyramid (7); and reverse step loading (7). Isotonic strength and endurance bench press and leg press, isometric hand and leg strength and endurance, Body composition and certain anabolic and catabolic hormones before and after a 8 weeks training period as well as after a 4 weeks detraining period are measured. Maximum strength and endurance isotonic and isometric between two training groups on upper body muscles; and lower body muscles after an 8 weeks training but after a 4 weeks detraining The factors mentioned decreased significantly (P<0.05). Both groups reduced the amount of testosterone, cortisol, epinephrine and norepinephrine had increased, but significantly increased cortisol dual pyramid group as compared to the reverse was increased stepwise. Also body fat mass hasn’t deferent significantly between two training groups. The above data suggest that after a short detraining period of 4 weeks Concentrations of anabolic hormones and decreasing catabolic hormone concentrations are increased. The use of a dual pyramid pattern more suitable for the above mentioned factors, it seems.
Keywords
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