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Medicine & Science in Sports & Exercise:
doi: 10.1249/01.MSS.0000400732.92269.42
A-34 Free Communication/Poster - Energy Expenditure: JUNE 1, 2011 7:30 AM - 12:30 PM: ROOM: Hall B

Skecher Shape-ups Do Not Increase the Metabolic Cost of Walking: 1332: Board #68 June 1 11:00 AM - 12:30 PM

Santo, Antonio S.; DeMattei, Matt; Roper, Genevie; Dufek, Janet FACSM; Mercer, John FACSM

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Author Information

University of Nevada, Las Vegas, Las Vegas, NV.

Email: antonio.santo@unlv.edu

(No relationships reported)

BACKGROUND: Skecher Shape-Ups (SSU) are advertised as an enhancer of the effect of physical activity (i.e., metabolic cost) and therefore increase the efficiency of time spent ambulating.

PURPOSE: To determine if wearing SSU increases the metabolic cost of walking. Furthermore, we sought to determine if weight differences between shod conditions accounted for any metabolic changes.

METHODS: Twenty-eight subjects (17 females, 11 males; age = 22.8 ± 6.6 y; mass = 72.4 ± 20.2 kg; height = 170.0 ± 6.7 cm; % fat = 23.0 ± 11.7 %) walked on a treadmill (0% grade) at a self-selected speed plus 10% (76.1 ± 11.8 m·min-1) in each of the following lab-provided shoes: SSU, walking regular shoe (W), and walking in regular shoe plus the difference between SSU and W shoe mass (WM). There was about 2-5 minutes rest between randomized conditions for subjects to change shoes and/or have weight added to the shoe. Accumulated breath-by-breath VO2 was measured for 10 minutes during each condition (ORCA Cardiopulmonary System, Santa Barbara, CA). VO2 mode was determined from 10 minutes of data for each condition and a repeated-measures ANOVA was used to compareVO2 mode among shod conditions (p < 0.05).

RESULTS: There was no significant difference in VO2 among walking shoe conditions (9.9 ± 3.1, 9.8 ± 3.4, & 10.2 ± 3.0 mlO2·kg-1·min-1 for SSU, W, & WM, respectively; p = 0.068).

CONCLUSION: SSU and WM did not increase the metabolic cost of exercise (VO2) for healthy, young subjects walking slightly faster than a preferred speed. It seems that there is no additional caloric benefit of wearing SSU beyond the typical walking shoe.

© 2011 American College of Sports Medicine

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