Cummings shares with us his top five standing ab exercises to achieve a slim waist in 30 days. 1. Standing Oblique Crunch "This exercise targets the oblique muscles, which are responsible for the ...

There’s a whole world of moves beyond these classics to help strengthen your core—like those featured in this standing abs ...

However, you can stay standing and still get a quality core workout done, as this 10-minute dumbbell abs workout shows ... side of the body in turn. You do 30 seconds on one side, take a 10 ...