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Abstract

Click to add/remove this article to your list of 'My Favorites' “Dance Dance Revolution” Exergaming Versus Treadmill Exercise in Type 2 Diabetes: Interim Results

Year: 2011

Abstract Number: 764-P

Authors: STANLEY H. HSIA, LYNNE A. MAGLIANO, HUMBERTO SANCHEZ, THOMAS W. STORER

Institutions: Los Angeles, CA

Results: We compared the interactive exercise video game, “Dance Dance Revolution” (DDR) against traditional treadmill (TM) exercise on metabolic outcomes among adult, ethnic minority, non-insulin-treated type 2 diabetic patients. Subjects with baseline hemoglobin A1c (HbA1c) between 7.0-10.0% were randomized to 90-day periods of ad libitum access to either DDR or TM exercise at a supervised facility. Subjects participated in their assigned exercise at a frequency, duration, and intensity/difficulty level of their own choosing while maintaining their usual daily activities. Changes in glycemic control, body composition, and aerobic capacity (using an incremental TM protocol and a constant work rate (CWR) TM endurance test at 80% of VO2Peak) between baseline and day-90 were compared, adjusting for differences in caloric intake and total exercise duration. We now report our interim results based on the first 23 completed subjects. Baseline characteristics of the DDR (n=13) and TM (n=10) groups were largely comparable (age 53 ± 7 years; baseline HbA1c 8.2 ± 0.7%). HbA1c improved significantly in the DDR group (8.3 ± 0.8% to 7.7 ± 1.0%; p=0.03), and coincided with a significantly lower percent dietary fat intake and a trend towards lower percent dietary carbohydrate intake, but HbA1c changed non-significantly in the TM group. The adjusted between-group difference in the change in HbA1c was not significant. Aerobic fitness as measured by peak O2 uptake and CWR TM endurance improved more with TM than DDR, even after adjustment for caloric intake and exercise duration (p=0.03); percent relative body fat and fasting glucose decreased significantly with TM but not with DDR. Exercise duration and energy expenditure (estimated from recorded heart rates) decreased more rapidly over time in the TM than the DDR group (p=0.04). These interim data suggest that while DDR may not promote the same improvements in aerobic fitness as TM exercise, it may be a more sustainable activity among ethnic minority diabetic adults, and may still lead to improved glycemic control through changes in nutrition behavior. Enrollment is continuing.

Category: Exercise - Human