TRX is a suspension training system that uses body weight to develop strength, balance, flexibility, and core stability. It consists of adjustable straps that can be anchored to various points, allowing users to perform a wide range of exercises. The versatility of TRX makes it suitable for all fitness levels, from beginners to advanced athletes. Developed by Randy Hetrick, a former Navy SEAL, TRX was designed to be portable and easy to use. It can be set up indoors or outdoors, making it a popular choice for personal trainers and fitness enthusiasts. The system emphasizes functional movements, helping users improve their overall fitness and performance.