The TRX Suspension Trainer uses a set of nylon straps plus your bodyweight to perform hundreds of exercises. You're in control of how much you want to challenge yourself on each exercise - because you can simply adjust your body position to add or decrease resistance. The TRX Suspension Trainer: Delivers a fast, effective total-body workout Helps build a rock-solid core Increases muscular endurance Benefits people of all fitness levels (pro athletes to seniors) Can be set-up anywhere (gym, home, hotel or outside) By utilizing your own bodyweight, the TRX Suspension Trainer provides greater performance and functionality than large exercise machines costing thousands of dollars. People of all fitness levels now train on the TRX: From everyday people who just want to feel and look their best to some of the world's most elite athletes to everybody in between.