A Comparison between Alpine Skiing, Cross-Country Skiing and Indoor Cycling on Cardiorespiratory and Metabolic Response

Figure 3. Interaction between A) fitness level and exercise intensity, B) sex and exercise intensity, C) age and exercise intensity and D) exercise mode (XCS, cross-country skiing; IC, indoor cycling; AS, alpine skiing) and exercise intensity [low intensity (LOW), moderate intensity (MOD) and high intensity (HIGH)] with regards to energy expenditure during the 4-min trials.