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Article Report:Influence of Exercise Training In Weight Loss Among Men: by Kraemer et al 1999

Updated on July 17, 2014

Abstract

This study was aimed at assessing the physiological impact of weight loss dietary regimen by using or not using physical exercises. The researchers concluded that weight- loss dietary regiment alongside resistance exercises, and aerobic exercises prevents the usual decrease in muscular power and fat-free mass.

Method

The researchers matched thirty five overweight and obese men with a control group (C, N=6) or one of the dietary groups (D; N=8), a diet group that undertook aerobic exercises three times each week (DE; N=11). Finally there was a diet group which undertook both strength training and aerobic exercise at least three times a week (DE; N=10).

Results

After three months, the DES, DE and D portrayed a significant and same decrease in body mass -9.90, -8.99, and -9.64 respectively. The body mass constituted 97%, 78% and 69% of the total reduction in body mass respectively. The group undergoing diet only portrayed a notable reduction in fat free mass. The 1-RM testing in squat exercises, and press increased the maximum strength for DES in squat exercises (+32.6%), and bench press (+19.6%).The O2 consumption among DE was significantly increased to (+24.8%) and DES to (+15.4%). The variation in performance from the 30-s Wingate test for the DES and DE was insignificant. D on the other hand, portrayed a notable decrease in mean power and peak output. There are no notable changes in basal concentration in BUN, serum glucose, testosterone, as well as high-density liprotein for the groups.

Conclusion

Findings from this study indicate that weight loss dietary regiment alongside resistance and aerobic exercises are capable of preventing a decrease in the muscular power, and fat-free mass. In addition, these factors are capable of augmenting high consumption of oxygen, and maximum strength when compared with weight loss that is induced by diet only.

Reference

Kraemer WJ., Volek JS, Clark KL., Gordon SE, Puhl SM., Koziris LP., McBride JM., Triplett-McBride NT., Putukian M., Newton RU., Häkkinen K., Bush JA., Sebastianelli WJ. (1999). Influence of exercise training on physiological and performance changes with weight loss in men, Med Sci Sports Exerc. 1999 Sep;31(9):1320-9

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