This simple Pilates exercise is worth six regular sit-ups. Here’s why I use it to work on my spinal mobility and deep core strength

According to Joseph Pilates, the founder of the famous movement, one Pilates roll-up is worth six regular sit-ups. This is ...
Nordot on MSN

This 10-minute seated ab workout is a game changer if you sit all day – no mat, crunches or floor space required

Hours at a desk and no room for a mat do not have to mean a weak core. This 10 minute seated ab workout turns any chair into ...