The Stability Disc is an important tool used in core training. Designed for you to stand, sit, rest and kneel on, the Stability Disc can be used for all fitness and rehabilitative weight-bearing exercises including lunges, squats, pushups, planks, crunches & core twists. The Stability Disc can also be used on any type of chair or stool for sitting on, activating the users deep core muscles and stabilisers through continuous small movements.