376This entry was posted in Daily 20-Min Workouts on April 7, 2016 by OPEN GYM Fitness 50 Mountain Climbers on Valslides 40 Abmat Sit Ups 30 Goblet Squats 20 Hanging Knee Raises 10 Sled Pull + Push 20 Hanging Knee Raises 30 Goblet Squats 40 Abmat Sit Ups 50 Mountain Climbers