If you are snapshooter, and NOT holding the bow back at full draw, are you able to get away with more bow weight?
If you are an archer that holds at full draw, is it the amount of time that you would like to hold back a full draw but shake to much?
I don’t really understand your first comment above. Why would you not want to hold the bow at full draw? I think the inability to hold a bow comfortably at full draw is a good indication of being overbowed, whether a person is snap shooting or not. The hold time for a snap shooter may be very short, but there should still be an instant when the bow is held at full draw.
I think the second comment is accurate. You should be able to hold comfortably at full draw for as long as you want to. If you can’t, it is a good indication you are overbowed. Probably a snap shooter who only holds momentarily at full draw can pull a few more pounds comfortably at full draw than a person who holds for a longer time at full draw. A person who holds for 2 seconds can probably pull a few more pounds comfortably than a person who holds for 4 seconds, etc.
Injuries are a whole other ball game. People who learn to draw correctly can avoid injuries more than a person who doesn’t. However, some people are more prone to getting injuries from shooting the bow than others, and by the time they know that it is too late to completely repair the problem. My advice is to shoot the minimum weight bow you need to get the job done. I know a lot of people don’t like that advice, and they are welcome to their opinions; some of them may be in the group that will never have a heart attack, cancer, or shoulder problems. This is something that is difficult to predict in advance, or, as Dirty Harry said, “Do you feel lucky today, punk?”