X-Force AB is a Swedish manufacturer and International marketing company of a new-PATENTED method for NEGATIVE training. The X-Force Negative Training Machine is a revolutionary machine that provides a combination of concentric and eccentric resistance exercise. A training machine that combines these two movements: generates an eccentric force 40% greater than concentric force. Most researchers agree that a combination of positive and negative work would be most beneficial. When an exercise is performed on negative, it means that the negative training with extra 40% resistance takes less time to reach muscular failure and therefore enhance muscular size and strength. By following the X-Force training concept of 3 - 1 - 5. Which means 3-seconds positive, 1-second static, and 5-seconds negative and can be done in 30 minutes time exercise once every 7-14 days. The X-Force training concept 3-1-5 will help you bring in more members to your club and help you combat membership attrition by easily adding 500 more members. More space can be allocated to new members, hence, increased Income of up to 250 000 Euro per year to club owners.The X-Force training concept 3-1-5 is the key to all your club concerns. It is guaranteed that 80% of your members prefer to follow a good solid concept that is easy to implement and maintain. Simple, Short, and Efficient workouts will encourage members to train better and to keep up the training limits with good and effective X-Force results!