The rumors are true: developing the rectus abdominis muscle (the technical name for the six-pack) can play a part in effective core training. But having washboard abs isn’t the be-all and end-all when ...

The rumours are true: developing the rectus abdominis muscle (the technical name for the six-pack) can play a part in effective core training. But having washboard abs isn’t the be-all and end-all ...

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. Several bodyweight exercises ...