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Plasma retinol-binding protein-4 and tumor necrosis factor-α are reduced in postmenopausal women after combination of different intensities of circuit resistance training and Zataria supplementation

Abstract : Purpose - Methods - Seventy-two postmenopausal women were divided on randomized order into six groups: Control (McGinley and Bishop in J Appl Physiol 121(6):1290-1305, 2016), Training 35% (T35%), Training 55% (T55%), Zataria (Özgünen et al. in Scand J Med Sci Sports 20:140-147, 2010), Zataria/Training 35% (ZT35%), and Zataria/Training 55% (ZT55%). Resist-ance training program included 12 exercise stations (each: 30 s, intensity: 35% and 55% of 1-RM) for 8 weeks (3 sessions/week). Daily (500 mg) was used after breakfast by participants in , ZT35%, and ZT55% groups. Blood samples were taken 48 h before and after the first and last sessions of training. Results - After the training period the percentage of body fat decreased significantly ( < 0.001) in all trained groups, whereas muscle mass increased significantly ( < 0.01) only in T55% and ZT55% groups. A significant decrease was observed for RBP-4 values ( < 0.05) after training in all groups except for ZG and CG. Also, RBP-4 was significantly lower ( < 0.05) in all groups as compared to CG at the post-test except for ZG. Moreover, significantly lower values ( < 0.05) were found in T55%, ZT35%, and ZT55% as compared to ZG in post-intervention. TNF-α values decreased significantly ( < 0.05) at the post-test as compared to pre-intervention in ZT35% and ZT55%. Also, TNF-α was significantly lower ( < 0.05) in ZT55% compared to CG and T35% in post-test. Conclusions - The results demonstrate clearly that in postmenopausal women, circuit resistance training both at low and moderate intensities cause a greater reduction in RBP-4 and TNF-α when is supplemented in the diet during training.
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Submitted on : Monday, November 30, 2020 - 4:04:24 PM
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S.M. Tayebi, A. Saeidi, M. Fashi, S. Pouya Jafari Hokmabadi, A. Khosravi, et al.. Plasma retinol-binding protein-4 and tumor necrosis factor-α are reduced in postmenopausal women after combination of different intensities of circuit resistance training and Zataria supplementation. Sport Sciences for Health, Springer Verlag, 2019, 15 (3), pp.551-558. ⟨10.1007/s11332-019-00544-2⟩. ⟨hal-02094918⟩

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