Impact of Exercise Intensity on Insulin Sensitivity

Claire Cromer Hanover College
Faculty Sponsor(s): Bryant Stamford Hanover College
Metabolic syndrome has become more prevalent among adults with the incidence predicted to be as high as 35%. Fortunately, metabolic syndrome can be impacted positively in the short term with aerobic exercise, as it promotes insulin sensitivity. Moderate aerobic exercise and high intensity interval training (HIIT) have been shown to be effective. This raises a question as to which type of aerobic exercise is best. In addition, resistance exercise also may be effective. Thus, the purpose of this study was to compare and contrast the impact of moderate versus high intensity aerobic exercise versus resistance exercise on insulin sensitivity. Clearance of a standard dose of glucose (75 grams) from the bloodstream was employed as an indicator of insulin sensitivity. This study was approved by the Hanover College human studies Institutional Review Board. Methods: Eight Hanover College females volunteered to participate in four randomly assigned experimental trials, each conducted weekly. The baseline trial consisted of a fasted oral glucose tolerance test (OGTT). Three exercise trials were conducted (moderate intensity, HIIT, and resistance training) each followed by an OGTT. Results and Discussion: Data collection is ongoing and nearing completion. Initial findings and pilot data have revealed that HIIT was the most efficient exercise in promoting the clearance of glucose from the bloodstream. In addition, moderate intensity aerobic exercise and resistance training exercises also promoted a faster clearance of glucose than at rest. 
Pharmacy, Health Sciences, & Exercise Science
Oral Presentation

When & Where

01:30 PM
Pharmacy & Health Sciences 204