The abdominal trainer or Isometroller is a simple, but extremely effective sports equipment. In the 60s it was the first time on the market and it was presented in the press as the ideal "belly killer". Especially many women bought the scooter. But then was reported that the application could be very harmful but and this had led to significant abdominal and back injuries. The fact is that you have to consider some handling criteria. So one should not assume "latschig" training. Before rolling must tense the whole body, only there are no tensions or even muscle tears pp. At first only roll as far forward as it still feels good. Rarely provide beginners equal the maximum. Assuming correct order with the abdominal trainer, you are quickly amazed at the positive effects it unfolds on the development of skeletal muscle. It consolidates and strengthens virtually the body muscles of the knees up to his hands. Since the abdominal trainer is very easy, it can always be easily taken on trips and used everywhere. I turn him for years day and had by him, inter alia, acquired not only great fixed abdominal muscles, but also pronounced erector spinae; the best guarantee against Rückenprobleme.- one omits some reason for about 14 days, the rolling exercises, and then starts again, soreness occurs with certainty. As at the beginning, but this will disappear quickly with the continuation of the training. So I can buy and the permanent use of the abdominal trainer advise all those who wollen.- achieve optimal effect with a simple and inexpensive sports equipment Moreover, the designation Bauchtrainer describes its effect adequately. The designation would better body trainer!