Date of Degree

5-2017

Document Type

Thesis

Degree Name

Master of Science (MS)

Program

Nutrition

Advisor

Cynthia Heiss

Advisor

Joseph Bonilla

Advisor

Maureen Rauschhuber

Abstract

This study was conducted to determine if 15 minutes of postprandial light walking has an effect on the glycemic response to a Boost® beverage in individuals with type 1 diabetes. Seven participants, 22.3 + 4.3 yrs, with type 1 diabetes completed the two days of data collection. On day 1, participants measured baseline fasting blood glucose (BG) with a glucometer, consumed a Boost® beverage, and sat quietly, repeating BG measurements 15, 30, 60, 90, and 120 minute. On day 2, participants repeated the protocol, but walked 15 minutes at a light pace (50-60% max HR) immediately after beverage consumption. The difference between peak and baseline BG was significantly lower on the walking day compared to the sedentary day (6.4 + 1.2 vs 4.0 + 2.4, respectively, P < .05) as was the iAUC (468.6 + 94.5 mmol/L/120min vs 241.1 + 155.8 mmol/L/120min, P < .05). In conclusion, light walking for 15 minutes postprandially can blunt the spike in BG and overall glycemic response to a breakfast beverage in young adults with type 1 diabetes.

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