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Effect of Progressive Resistance Exercise Training on Hepatic Fat in Asian Indians with Non-Alcoholic Fatty Liver Disease

Kirti Damor, Kanchan Mittal, Ashu Seith Bhalla, Rita Sood, Ravindra M. Pandey, Randeep Guleria, Kalpana Luthra, Naval K. Vikram

Journal of Advances in Medicine and Medical Research · pp. 114–124 · Published 14 Sep 2013

10.9734/BJMMR/2014/4845

Abstract

Introduction: Nonalcoholic fatty liver disease (NAFLD) is closely associated with obesity and insulin resistance and lifestyle measures form the cornerstone of therapy. Objective: To study the effect of progressive resistance training (PRT) on hepatic fat content, body composition and insulin sensitivity in patients with NAFLD. Methods: This study included 24 adult patients with NAFLD diagnosed on ultrasonography. Subjects with alcohol intake >140 gm/week and any secondary cause of fatty liver were excluded. Patients underwent thrice weekly sessions (40 minutes each) of resistance exercises including flexion at biceps, triceps, and hip flexion, knee extension and heel rise for 12 weeks. Pre- and post-intervention evaluation included anthropometry, BIA analysis, short insulin tolerance test (SITT), lipid profile and hepatic fat quantification by MRI. Results: Twenty four patients (17 males, 7 females, mean age 39.8±10.5 yrs) completed the study protocol with 78.7% compliance to PRT protocol. There was significant decrease in waist, hip and mid-thigh circumferences and skinfold thicknesses at biceps, triceps, subscapular and suprailiac regions (p<0.05), with no significant change in BMI and WHR. Insulin sensitivity improved significantly at 12 weeks as indicated by increase in k-value (rate of change of glucose) on SITT (0.84 vs 1.3, p=0.002). A decrease in total cholesterol and LDL-c with increase in HDL-c was noted after 12 weeks (p<0.05). Hepatic fat content also decreased at 12 weeks (22.3±3.9 vs 21.4±4.0 %, p=0.01). Conclusion: Moderate intensity PRT is associated with significant improvement in hepatic fat, truncal subcutaneous fat and insulin sensitivity in patients with NAFLD.

NAFLD resistance exercise insulin resistance Asian Indians.

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