Glider discs are another great piece of equipment to assist with building the core ab muscles. The glider discs can be used with the hands or feet, to target both the upper and lower abdominals.
The Elite Core Exercise Sliders – 2 Gliding Discs are designed to work on either carpet or hard floors, so you can take them with you to your clients’ homes or use them in the gym. They are lightweight and flexible enough to fit in any gym bag for workouts on the go.