عنوان مقاله [English]
Background and Aims: The previous studies showed that exercise training has been shown to benefit diverse medical and behavioral conditions. The purpose of the current study was to investigate the effect of resistance training on the level of cortisol, testosterone hormone, and some physical fitness factors of males washed out from methamphetamine addiction in rehabilitation period.
Materials and Methods: A total of 19 washed out males (Age 29.8±4.5 yr) from methamphetamine were randomly divided in to two resistance group (n=10) and control group (n=9). The training group performed eight weeks of training at 50-80 percent of one repetition maximum. Before and after the eight weeks of training, blood sample were obtained to measure serum cortisol and testosterone. Also, participants' muscle strength and endurance and body composition were measured. One-way covariance test and dependent t-test were run to analyze the hypothesis. All data were analyzed using statistical software of SPSS, version 20, and a P-value of P≤0.05 was considered statistically significant.
Results: The results showed that the levels of cortisol has a significant decrease in experimental group (p=0.05), while cortisol levels were not found to be significantly different between the two groups (p>0.05). Testosterone was slightly increased in training group but the increase was not found to be significant (p>0.05). Moreover, the results demonstrated that there were no significant differences between experimental and control groups in testosterone levels (P=0.24). The muscle strength of the upper extremity and muscle endurance, and the circumference of the chest, arm, and waist of the experimental group had a significant increase compared with those of the control group, too (P=0.01).
Conclusions: It seems that a period of resistance training for eight weeks can be effective as a non-pharmacological treatment strategy in wash out period related to addiction of previously metamphetamine dependent individuals. Also, it could improve physical and functional status of these persons.
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