Medicine ball Russian twists are great for working the obliques and strengthening the core. Sit back-to-back with your ...

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 lower back exercises are far less glamorous than ab exercises, they are equally as essential. Weakness in the lower back is one of the leading causes of chronic back pain in adults, but if ...