stand up and rest arms your by side just hanging, now rise your arms up as if you are ref. giving the field goal sign in football,which way are your palms facing, out,not torwards your head,they are relaxed and no tension in your arms. Now turn your palms towards your head. The muscles now have tension, so why would what to create tension in your shoulders and arms by having them facing towards the catcher, when plams at 3rd has no tension,relaxed. IMO of course
She looks real good, she looks like she is working real hard and having fun. Just remember if she throws to the left or right, when pitching to you, that is mech., high and low pitches are release. Just make sure you take breaks often and praise her just as often. If she starts to struggle, call it a day and go play something fun.