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Saturday May 16, 2020
AUTHORS:
Kabre Madrigal, Emma Swindlehurst, and Leah Batchelor
FACULTY: Dr. Matt Laye
DEPARTMENT: Health & Human Performance
The aim of this investigation was to assess the effects of exercise on postprandial blood glucose levels under two different glycemic index meal conditions. Postprandial blood glucose levels are an important indicator of metabolic health. While exercise is known to play a role in glycemic control, glycemic index of a meal is a variable not yet explored. Subjects (n = 7) participated in two tests per high and low GI meal condition: a control trial and an exercise trial following the standard OGTT protocol timing. Each exercise bout was thirty minutes in length of walking on a treadmill at the subject's chosen intensity. The average postprandial blood glucose was significantly different between the control and exercise trials under both the high and low GI conditions respectively only during the thirty-minute intervention window (Paired T-test, p < 0.05). The data suggests that physical activity can impact postprandial blood glucose control after consumption of a "real meal" with a varied glycemic index during the intervention period. The results of this study help to further define the role exercise plays in glycemic control in a real-world setting and give rise to possible applications within clinical exercise physiology.
The College of Idaho 2112 Cleveland Blvd Caldwell, ID 8360 USA 208-459-5011 800-2C-IDAHO
