Pilates has become the go-to workout for building functional strength and flexibility while being gentle on your joints. In particular, "Core engagement and strengthening are fundamental parts of any ...
How to do it: Stand with your back to the wall, feet shoulder-width apart. Place your hands lightly behind your head. Slowly ...
Find out how many sit-ups after 55 signal a strong, healthy core and use this 60-second test to track your strength over time.