When life is busy and you need a quick workout to challenge your whole body, try a complex. This workout format strings together a series of free-weight exercises for a combination of cardio and ...

The session begins with a mobility-focused warm-up. In under five minutes, Mack leads you through 90-90 hip switches, world’s greatest stretch, downward dog with hand-release pushups, and deep squats.

These five moves hit every muscle in your body. Do each exercise for 60 seconds and repeat for 10 minutes.