I agree with pjr202 that leg drive is the most common cause to many IR beginner pitchers.
The check point at 3 o'clock : is the back foot (right foot for RHT) detached from the pitching rubber and done with the push off part of the pitch...
I totally agree with everything in this response. This is the path to start down and if you are able, I would suggest trying to learn to pitch yourself while teaching it. This will give you a better understanding of the depth of the task at hand.
This is even more egress to me.
https://www.msn.com/en-us/news/us/transgender-swimmer-50-sparks-outrage-in-canada-after-competing-against-teens-sharing-locker-room/ar-AA1lxYpo
Just want to say thanks for this thread before it is locked or deleted. For me this is such a black and white issue, I appreciate when I see honest people with honest options.
This is a great collection of advice. One thing I would suggest is checking how consistent she is while throwing underhand (not pitching). Can she throw underhand (not pitching) with the same constancy as throwing overhand?
Some other information I found on this site that I think might...
Thanks for pointing this out. I am not sure why I did not I had not made the realization that the spin rate on the bullet spin rise is just being there to keep the ball from wobbling.