A standing ab workout can strengthen your core while also giving you a cardio boost. Enter this 30-minute standing core routine from online fitness trainer Olivia Lawson. Set to upbeat music ...

In the end, you should have 30 minutes of cardio, five days a week -- jumping rope is a little piece of that. Burpees are a ...

This scorcer recreates a signature Barry's workout ... 30 sec. From here, fully extend one arm to touch opposite foot, keeping core engaged. Alternate sides for 30 sec. FINISHER AMRAP x 4 min.

You may like Skip the sit-ups — try this 30-minute standing abs workout for a stronger core Strengthen your core ... This is a lot like its cardio cousin, high-intensity interval training ...