These are my favorite stability ball exercises for building core strength and stability. The stability ball, also known as the "swiss ball" in the US, is such a common piece of exercise equipment that ...

While the plank is an excellent core exercise, several other options can strengthen your core. You can do these bodyweight exercises anywhere, and they don’t require equipment.

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Your obliques are the core ...