Friday 16th March 2012 By MelissaMarch 15, 2012August 3, 2018CrossFit The group getting together for the CrossFit Open WOD 12.4 Complete as many rounds and reps as possible in 12 minutes of: – 150 Wall balls (20lbs to 10′ target/14Ibs to 9′ target) – 90 Double-unders – 30 Muscle-ups