Cross-Country Skiing Many people consider cross-country skiing as the ultimate aerobic exercise because it requires vigorous lower and upper movements. The body large amount of muscle mass involved in cross- country skiing makes the intensity of the activity high, yet it places little strain on muscles and joints. One of the highest maximal oxygen uptakes ever measured(85 ml/kg/min) was found in an elite cross-country skier. In addition to being an excellent aerobic activity, cross-country skiing is soothing. Skiing through the beauty of the snow-covered country side can be highly enjoyable. Although the need for snow is an obvious limitation, simulating equipment for year-round cross-country training is available at many sporting goods stores.
Some skill is necessary to be proficient at cross- country skiing. Poorly skilled individuals are not able to elevate the heart rate enough to cause adequate aerobic development. Individuals con- templating this activity should seek out instruction to fully enjoy and reap the rewards of cross- country skiing.