771This entry was posted in Daily 20-Min Workouts on October 19, 2017 by OPEN GYM Fitness 5 Sets Of: 5 Heavier Back Squats :30 Tuck Hold on parallettes 2 Rounds Of: SkiErg, 40 calories 4 Man Makers Row 500m 4 Man Makers AirDyne Bike, 40 calories