Back Squat 1RM & 27-21-15-9: Row and Wall Balls Back Squat 1RM Log your best Back Squat 1 rep max lift. Only log the heaviest 1 rep, do not include sets prior to it. BTWB 27-21-15-9: Row and Wall Balls 27-21-15-9 reps, for time of: Row (calories) Wall Ball (20/14) BTWB Photo by @snoridgecrossfit Results Share this:TwitterFacebook