Winter Shredder! posted on July 28, 2015 “Winter Shredder!” Warm up & Cool Down: Jog for 5 mins Four rounds for time: 5 Push Ups with 10 Shoulder Taps at the top 10 Cross Over Squat Jumps 15 Sit Ups 20 Lying Leg Raise 30 Russian Twist 100 Skips Will You take the Challenge?!!!!