“Supple Sunday” 4 Rounds (20 Minutes Total): :40 Second Weighted Hollow Hold :20 Seconds Rest :40 Second Dumbbell Romanian Deadlifts :20 Seconds Rest :40 Second Single Arm Dumbbell Overhead Squat Hold (Left) :20 Seconds Rest :40 Second Single Arm Dumbbell Overhead Squat Hold (Right) :20 Seconds Rest