The degree of endurance required for cross-country or downhill skiing depends on your skiing style, your frequency between runs, the time period between lift lines if any, and the terrain and snow conditions. Different types of skiing use different muscle recruitment patterns. Understanding the endurance requirements of your sport helps you design an effective conditioning program.
Core Endurance
Gliding around on a pair of skinny sticks requires balance, and balance demands deep core muscle endurance. Cross-country and downhill skiing both rely on the deeper abdominal muscles to promote spinal stability and dynamic balance. Skiers with weak core muscles are easily identifiable by their excess upper torso movement and flailing arms.
The bird-dog core exercise has a direct carryover to skiing. Kneel on all fours and simultaneously lift and extend your right leg and left arm, then your left leg and your right arm. Keep your back straight and your hips centered. Perform three sets of 20 repetitions.
Nordic vs. Alpine Skiing
Cross-country and downhill skiing have different muscular endurance requirements. The key distinction lies in the use of the chairlift. Alpine skiers rely on them to ascend the slopes, whereas cross-country skiers use their own leg muscles to climb the hills. Since Nordic skiing has a much shorter learning curve than downhill skiing, the cross-country skier usually spends more time in constant motion. While a flick of the wrist characterizes the downhill skier's pole plant, cross-country skiers use exaggerated upper-body pole movements for propulsion. Cross-country ski machines and roller-skiing, performed with ski poles, promotes Nordic ski-specific endurance.
Groomed vs. Mogul
Skiing the groomed, corduroy slopes engages your core, foot and ankle muscles. Your quadriceps and hamstrings add and release pressure, while your inner and outer thighs support your pelvis and your knee joints. When performed correctly, skiing groomed terrain should not require excessive muscular endurance. In contrast, professional mogul skiers make 60 to 80 turns within 25 to 30 seconds, according to Scott Higgins, U.S. Ski and Snowboard Association Team Physiologist. The dynamic flexion and extension movements that are required to absorb the bumps demand endurance from the hamstrings and quadriceps. Professional skiers perform large jumping movements on a trampoline to build mogul-specific muscular endurance.
Backcountry Skiing
Nordic skiers climb to the top of a slope. Backcountry skiers climb an entire mountain, often while carrying a heavy backpack. This strenuous sport demands muscular endurance of your leg, gluteal, core, upper back, shoulder and arm muscles. Once you reach the top of the mountain, the deep, ungroomed snow conditions also challenge the endurance of all the muscles of your body. Backcountry skiers train for endurance by working out on an inclined treadmill while wearing a heavy backpack.
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