Interval Training 
Tips Avoiding injury
Represents a major effort for the heart due to sudden movement and jumps. Exerts stress on the muscles because of the alternate movements of blocking the supply of oxygen and causes the production of lactic acid.
Possible injuries: tennis elbow, sprained ankle (the synthetic courts), pain in the knees and the muscles in the groin, sore hamstring and calves, inflammation of the shoulder joint.
How to avoid? With 10 minutes of warming before the game.
The greatest danger of bad posture. May experience a pain in their lower back and neck.
Possible injuries: tendinitis knee, pelvis, shoulders and arms, small cyst on the wrist and hand, in case you are too lean on the handlebar, the tension in the neck.
How to Avoid Them? you should do exercises in the gym or jogging, and help you with creams for the expansion of blood vessels, a warm bath , essential oils, which will rid the muscles of toxins.
Excellent for heart and blood vessels. The danger threatening knee and the meniscus.Technique is very important, and in the fall is a crucial way of falling.
Possible injuries: Ski-toe, or wrist injuries when using sticks, sore hamstring and ankle.
How to Avoid Them? Warming with exercises before skiing.
It relaxes and relieves stress, but not good for people who have problems with the spine.
Possible injuries: lumbago due to vertebral compression constantly, hurting knees and calves.
How to Avoid Them? With 10 minutes of stretching exercises for the glutes, thighs and back.
Increases endurance of heart and blood vessels, and lung capacity. Danger of overloading the heart and joints.
Possible injuries: In the event that contact with the ground is not properly depreciated, are in danger ankles, knees and calves.
How to Avoid Them? Wear appropriate footwear, which absorbs impact on the ground, a warm-up before exercise.
