A simple disc allows you to perform a multitude of very complete exercises to strengthen all the muscles of the body. I propose you a complete workout with just one disc, which you can perform at home to firm and tone your entire silhouette.
Also try the specific abdominal disc exercises for the abdominals.
For further information: Plank, 4 variants for abdominals and back abs - 4x10 To learn more: Complete training with weights .