Background and purpose: The purpose of this study was to investigate the effects of 6 weeks of absolute and relative detraining on health (performance, body composition and cardiac indices) of elite weightlifters of Zanjan. Materials and methods: 20 elite weightlifters with average age of 24.05±4.14 yrs, 173.80±11.01 cm height, and 79.35±13.57 kg weight, with good performance during last year and medalist at regional, province and national levels from Zanjan were randomly divided to two groups (absolute and relative detraining). Detraining groups were exposed to 6 weeks of detraining (relative detraining group trained just once a week). Results of paired t-test showed that performance, stroke volume, ejection fraction and lean body mass decreased significantly (p=0/00) in both groups. Results: Result of independent t test showed that all of these decreases were significantly lower in relative detraining group than that of absolute detraining group. Body fat percent and septum thickness significantly increased in both groups and again, increases in these indices in absolute detraining group was significantly more than relative group. Conclusion: These results showed that 6 weeks of relative detraining maintains body health in compare to the absolute‌ detraining. However, relative‌ detraining (once a week session) also can't prevent athlete's health decreasing and probably for maintaining health of retired weightlifters, more training sessions are needed.

Keywords: absolute and relative detraining, performance, body composition, cardiac indices, elite weight lifters

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