tell you what your question does make sense, its a very good question
Thanks Greyghost
I have small hands and I'm talking about 3C balls. Getting way high is a real stretch for me and I contend that my finger tip bridge is stable and solid from doing it for so many years, although one time Mark Wilson pushed my palm down on the cloth during a lesson not liking it much.:shrug: Maybe another illusion.
Try a regular closed bridge on those shots, and kick your wrist up more and pull your 3fingers that make up the tri pod closer to your palm. It will take the length out of the bridge and turn it into height, which is what your looking for. It would be more stable than the finger tips(not saying your not stable using it, just a mechanical/physics fact its inherently more prone to stability issues), but it might be uncomfortable for you too pull your fingers closer...give it a try tho...
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I tried playing for just a quick min using a stacked bridge, and then a normal closed bridge, and then the hoppe bridge. This is some differences I noticed, which are just casual observations.
The stacked bridge seems to be comfortable when I'm higher up on the ball, its comfortable as it lets your elbow be off the table in a comfortable manner. You arm bends at the elbow and the wrist is kicked to the side. If your using a normal closed bridge, or the hoppe and your high up then the forearm is twisted in a diff direction, which leaves the elbow at a funny angle to easily bend UP for when your higher on the shot.
Closed bridge/Hoppe Bridge, even on an open bridge the elbow is pointed opposite away from your back hand
(if your a lefty your elbow is pointed right) With the stacked bridge the elbow is pointed almost straight down, which like i said makes sense that it would be a more comfortable bridge when your in a higher stance. (
the bridge i mentioned where you make a more upward bend with the wrist and bring the 3 fingers closer to your palm to get height, well that bridge causes the elbow to act just like it does in a Stacked bridge, it points more downward as opposed to to the side directly away.)
As for the hoppe style bridge, I think for most shots especially if you are hitting low or center
(anything but really high) that style lets you get your hand lower. Now you could get lower with the open bridge, but the lower you get the less stable it becomes. WIth the hoppe the two outside fingers are keeping you stable, and the finger that gets tucked into the palm is actually supporting the palm where it had no support prior. So its a more stable bridging technique using the closed style and getting lower on the ball. Instead of the hand leaning on the outside of itself, the hand becomes more level at the knuckles as opposed to the pad that lies b/t the thumb and wrist is normally off the table. So in a way the tucked middle finger is similar to a shim that you use to level the table.
Thats all i can really think of for now, but as both steve and I mentioned the bridge choice is more about which one is going to let you deliver the shot in the most secure/steadfast way in a straight line as you intended it to.
I've never really thought about all that really, so I glad you asked as it really made me think. Many times you can find out why something is good by how it works with or against your natural mechanics...and then know when to implement them by using the right piece that fits the puzzle at hand.
Thanks for making my head spin partner,

:grin-square:
Grey Ghost