Build a strong core without lying on the floor using this trainer-approved three-move abs workout for beginners.

Chair exercises for lower belly overhang after 60, with CSCS trainer Jarrod Nobbe's cues and a 5-move routine.

You’re probably familiar with the abs muscles—the ones you see poppin' on celebs like J.Lo or Halle Berry, but there’s way more to core strength than those visible six-pack muscles. Behind the scenes, ...