Back Squat 5RM / Thrusters & Bar MU’s Posted on August 15, 2013 by Matt FRIDAY 160813 Back squat 5RM – 1 max effort set of 5. Work up in doubles and singles. Increase weight from 090813. – Then – 7-6-5-4-3 reps for time of: Thrusters, 60/40kg Bar muscle-ups Record results / post to comments.