The Most Effective Squat Challenge: 100 Rep Fitness Blender Squat Challenge June 17, 2013, 10:41 am 2.1k Views The Most Effective Squat Challenge: 100 Rep Fitness Blender Squat Challenge Video Description All info for Fitness Blender’s Squat Challenge @ Round 2 of our Squat Challenge Workout @ Lose 16-24 lbs in 8 … 19 shares