It helps to improve core muscle stability and strength, by using the body's own weight to create resistance. Altering the length of the twin duarable nylon straps (can be attached to either arms or legs depending on the exercise) and/or changing the position of your feet (when standing up) you can vary the resistance. It's ideal for the complete beginner or elite athlete and can help with on-going rehabilitation from injury. Total Body suspension Trainer is a superb full body workout with variable resistance levels. It speeds up metabolic processes and is adaptable. Provides extensive variations in exercise routines. It also helps build up core muscles and maintain stability. Suspension Trainer assists in getting the training done just like the way you desire by targeting both utility and aesthetic features. Let it be part of your exercise routine!