MET is a physiological measure detailing the energy cost of a physical activity and ranges from 0.9 (sleeping) to 23 (running at a very fast pace). In exercise physiology, there is an energy expenditure grading system, if you will, termed the Metabolic Equivalent of Task (MET), that dates back over 25 years ago. What is important to understand is that energy expenditure is dictated by a cyclist’s body weight, and the duration and intensity of a ride. In fact, the calories that are burned while cycling are similar, in physiological terms, between riding inside versus outside.
There may be more similarities than not when comparing the two. Inside there will be a controlled environment with the potential to go hard or easy depending on the workout. There is potential to go hard or easy depending on many variables. Outside there will be wind, heat, cold, cars, stoplights, and other hazards. It has been argued that there is a difference in energy expenditure between outside and inside riding. When it comes to the major nutritional differences, there are really only two main messages: energy expenditure and hydration. We all are aware of the convenience, environmental conditions, and safety differences of riding inside versus outside but this article will specifically highlight the nutritional differences between saddling-up outside versus inside. By Bob Seebohar, MS, RD, CSSD, CSCS, METS IIįor many cyclists, 'tis the season to move workouts inside on the trainer.
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