Get Shredded In The Sun With Our 20-Min Fat ... including warm-up and cool-down. Related Story. ... once you’ve warmed up, you’re going to set a timer for 20 minutes and work your way ...

Set a timer for 20 minutes and try doing 15 goblet squats, ... Once you’ve completed the workout — and caught your breath — Mr. Howell suggested a three- to four-minute cool down.