Evaluation of energy expenditure on the Woodway curve treadmill
Maerz, Lance T.
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This study was designed to 1) compare the caloric expenditure values displayed on the Curve's console to directly measured values, and 2) if there was a significant difference between displayed and measured values, to develop a regression equation to more accurately predict energy expenditure on the Curve. Fifty-five volunteers (27 male and 28 female) walked or ran on the Curve treadmill at four different speeds (between 2-8 mph) for five minutes at each speed. The caloric expenditure values displayed on the Curve's console were recorded and compared to measured calories using a Jaeger Oxycon portable metabolic analyzer. Across the speeds tested, the Curve console systematically overestimated measured caloric expenditure by 67-117%.