3 Minute Interval Timer – JC5633C 3 Minutes of Work for Each Set 1 Minute Rest Between and Alternate Sets Each 3 Minute Interval. 8 Single Arm Shoulder Press (L) 8 Single Arm Shoulder Press (R) 10 Reverse Flys 8 Thrusters 20 Skater Hops 10 Push - Ups Repeat All 3x