The effects of high-intensity intermittent exercise training on fat loss and fasting insulin levels of young women
By E. G. Trapp, D. Chisholm, J. Freund, S. Boutcher. International Journal of Obesity, 2008
606 citations recorded by the source corpus.
Objective:To determine the effects of a 15-week high-intensity intermittent exercise (HIIE) program on subcutaneous and trunk fat and insulin resistance of young women.Design and procedures:Subjects were randomly assigned to one of the three groups: HIIE (n=15), steady-state exercise (SSE; n=15) or control (CONT; n=15). HIIE and SSE groups underwent a 15-week exercise intervention.Subjects:Forty-five women with a mean BMI of 23.2±2.0 kg m−2 and age of 20.2±2.0 years.Results:Both exercise groups demonstrated a significant improvement (P<0.05) in cardiovascular fitness. However, only the HIIE group had a significant reduction in total body mass (TBM), fat mass (FM), trunk fat and fasting plasma insulin levels. There was significant fat loss (P<0.05) in legs compared to arms in the HIIE group only. Lean compared to overweight women lost less fat after HIIE. Decreases in leptin concentrations were negatively correlated with increases in VO2peak (r=−0.57, P<0.05) and positively correlated with decreases in TBM (r=0.47; P<0.0001). There was no significant change in adiponectin levels after training.Conclusions:HIIE three times per week for 15 weeks compared to the same frequency of SSE exercise was associated with significant reductions in total body fat, subcutaneous leg and trunk fat, and insulin resistance in young women.
Subfields: Complementary and alternative medicine, Physiology, Rehabilitation
View Paper: https://www.semanticscholar.org/paper/e6c2cf28199f9af49fc0685d57049a1118e9c104
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Citations in the corpus
- Effectiveness of High-Intensity Interval Training (HIT) and Continuous Endurance Training for VO2max Improvements: A Systematic Review and Meta-Analysis of Controlled Trials (2015, background): “High-intensity interval training has also been reported to be more effective than continuous, steadystate exercise training for inducing fat loss in men and women, despite requiring considerably less total energy expenditure during training [11, 12].”