Some good exercises, to help prepare for the slopes include those which use similar motions. Swimming, bicycling and rowing use similar muscles and build endurance, as well as strength. Exercises which strengthen the thigh muscles are also helpful, such as squats. Stretching improves your flexibility, another key ingredient in avoiding a ski injury. Inherent in the sport of skiing, is the fact that altitude is involved.
Mountains are high, and many skiers live in regions closer to sea level.
When they hit the slopes, they are therefore unprepared for the altitude. There is no doubt that altitude can play a roll in fatigue. And if you are tired, you are more likely to have an accident on the slopes. Stop skiing early in the day, before you begin to feel tired. This is especially important during the first few days on the slopes, when you are adjusting to the higher altitude.