Muñoz, E., Figueroa, M., Manning, J.,William Paterson University, Wayne, NJ

Purpose: The purpose of this study was to compare two different training intensities on and anti-gravity treadmill and to determine whether or not one elicited changes that were more favorable. Methods: Pre and post measures of oxygen consumption (VO2peak), body fat (BF)% and body mass index (BMI) were collected on twelve subjects, which were divided into 2 groups. Group 1 trained at 80% body weight (BW) 3 x / week, for 8 weeks, at 70% heart rate reserve (HRR) for 30 minutes. Group 2 trained at 90% BW, 2 x / week, for 6 weeks, using an interval protocol of high intensity. This protocol consisted of a 30 second sprint, followed by a 1.5 minute walk, which was repeated for a total of 8 sets. Results: No significant differences were found between groups prior to or after training. Weight, absolute VO2 (L×min-1), BF% and BMI were significantly different after training within group 1, but not group 2. Conclusion: Training on an anti-gravity device was able to maintain and/or improve weight, aerobic capacity and body composition values using a lower percentage of BW. This is favorable for individuals who are either injured or require lower impact training.



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