effect of aerobic and resistance exercise training on liver enzymes and hepatic fat in iranian men with nonalcoholic fatty liver disease

Authors

alireza shamsoddini exercise physiology research center, baqiyatallah university of medical sciences, tehran, ir iran

vahid sobhani exercise physiology research center, baqiyatallah university of medical sciences, tehran, ir iran

mohammad ebrahim ghamar chehreh baqiyatallah research center for gastroenterology and liver diseases, baqiyatallah university of medical sciences, tehran, ir iran

seyed moayed alavian baqiyatallah research center for gastroenterology and liver diseases, baqiyatallah university of medical sciences, tehran, ir iran; baqiyatallah research center for gastroenterology and liver diseases, baqiyatallah university of medical sciences, tehran, ir iran. tel: +98-2188945186, fax: +98-2188945188

abstract

conclusions this study demonstrated that rt and at are equally effective in reducing hepatic fat content and liver enzyme levels among patients with nafld. however, aerobic exercise specifically improves nafld independent of any change in body weight. results after training, hepatic fat content was markedly reduced, to a similar extent, in both the aerobic and resistance exercise training groups (p ≤ 0.05). in the two exercise training groups, alanine amino transferase and aspartate amino transferase serum levels were significantly decreased compared to the control group (p = 0.002) and (p = 0.02), respectively. moreover, body fat (%), fat mass (kg), homeostasis model assessment insulin resistance (homi-ir) were all improved in the at and rt. these changes in the at group were independent of weight loss. objectives the current study aimed to investigate the effect of aerobic training (at) and resistance training (rt) on hepatic fat content and liver enzyme levels in iranian men. patients and methods in a randomized clinical trial study, 30 men with clinically defined nafld were allocated into three groups (aerobic, resistance and control). an aerobic group program consisted of 45 minutes of aerobic exercise at 60% - 75% maximum heart rate intensity, a resistance group performed seven resistance exercises at intensity of 50% - 70% of 1 repetition maximum (1rm ) and the control group had no exercise training program during the study. before and after training, anthropometry, insulin sensitivity, liver enzymes and hepatic fat were elevated. background nonalcoholic fatty liver disease (nafld) has different prevalence rates in various parts of the world and is a risk factor for diabetes and cardiovascular disease that could progress to nonalcoholic steatohepatitis, cirrhosis, and liver failure.

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Journal title:
hepatitis monthly

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