A good conditioning program should involve endurance, strengthening and stretching activities. Engage in regular cardiovascular activity 3 to 5 times per week for at least 30 minutes in duration. Because of the high altitude, above average aerobic conditioning is preferred. Either by access to a health club or YMCA, an exercise bicycle, StairMaster, or treadmill are good pieces of equipment to use. Outdoor bicycling or jogging are equally effective.
Stair running in a stadium or high rise is another possibility.
Step aerobics classes are yet another idea. Three sets of ten repetitions is a common goal. Lie on your side, lift your top leg slowly up towards the ceiling, then slowly lower. After you are done with your first set, flip over and repeat with the other leg. You can add weights or sports cords for resistance if desired.