Barbell Muscle Outs 75lb

Old Time Strongman lift that I am trying to do as was done: feet together and torso upright: trying NOT to lean back. If you want to know how tight your elbow flexors, Biceps, Brachialis & Brachioradialis are, do THESE and you'll quickly find out!! WOW!!
Weight used was 45lb, 55lb, 60lb, 60lb, 65lb, 75lb.