Stretching is often part of the warm-up a sport and sometimes a part of the cooling down of a sport. The Swede Sven A. Sõlveborn combines resistance training with his books stretching from the body. First, he recommends between 15 and 25 seconds tension of a muscle group, and the strength and endurance trained, then a similar time to rest and then the same time stretching. He claims is the most effective form of stretching and see it in conjunction with fitness such as jogging, training as a total for the entire body. bowflex blaze Naturally fit many people and animals to stretching. Example a good stretch when just waking up. Stretching can also be used for relaxation such as yoga is done at or between some people do when they work through tense. Prints, also called "push-ups" called (or "pumps" in Flemish) is a similar exercise like bench press. The exercise uses only his own body as resistance. With hands and feet on the ground, in raised position, is allowed to drop to the chest just touching the ground, after which itself back up "again". This exercise is great for chest and triceps muscles to train without the use of (expensive) tools such as dumbbells and a bench press.