You have to introduce new challenges all the time,” she says. Alexia often uses a bosu ball for ab work. “If you don’t have a bosu ball you can do all of these on a mat! The bosu ball adds ...

Maintaining balance on the Bosu ball requires significant core strength. Your core muscles, including your abs, obliques, and ...

Although the exercise seemed a bit difficult to perform, Shilpa Shetty wrote in the caption, “ABS-olutely worth it ... Shilpa Shetty proved how the bosu ball can elevate your workout routine.