FaSTBands are a resistance training tool with benefits galore. They work all of your major muscle groups in the upper leg and core safely. FaSTBands target your quadriceps, gluteal, hamstring, hip and abdominal muscles. Results from use of the product include increased speed, strength, endurance, and lean muscle mass. Proper placement of the FaST Bands above the knees minimizes stress on the knee and ankle joints. FaSTBands are a dynamic tool that can be worn during team practice, a multitude of exercises and everyday activities.