CJ,
What's up? I'm not a regular? I made that backwards hammering up analogy way back in post 408 when Mr. Dukie, Greg, was sort of slamming it.:wink:
Regards,
CJ:
Obviously, someone that knows what they're talking about with muscles stands a much better chance of getting his point across. For instance, in another thread/subforum, "duckie"/Greg once wrote this:
[...]
I know how joints work. I know how muscles work. One expanding while the other contracts.[...]
(You can click on the blue/gray "swirlie" arrow next to his name in that quote, and it will take you right to the post this excerpt was taken from.)
Those that've taken basic anatomy science classes know that muscle fibers work by contraction -- they NEVER "expand." So here's a case where ENGLISH is dead-on.
Another thing -- it's very easy to confuse "wrist motion" with actual finger motion. Driving a hammer forward in a "wristy" motion actually does use the wrist. However, you must maintain control of the hammer at all times, with a firm-ish grip. You don't, for example, open and close your hand to drive the hammer forward.
Compare this motion, to, say, the action a drummer makes when striking the drumhead. How about a demonstration? Let's take a look at probably the most technically-gifted drummer of today, Mike Mangini (formerly of the Steve Vai band, now playing for Dream Theater):
http://youtube.com/watch?v=31c-FL0ZlZ0
Although most of the "stroke" in hitting the drumheads -- with a power stoke -- resembles a hammer strike, take careful note of what happens at 2:15 (two minutes, fifteen seconds) in the video, when Mike goes into rapid-fire one-handed single-stroke rolls on the toms (Mike is in the Guinness Book of World Records, by the way, as having the fastest single-stroke roll in the world):
http://youtube.com/watch?v=31c-FL0ZlZ0#t=2m15s
That is NOT wrist! That is mostly finger action -- of the hand rapidly opening and closing, the drumstick "pivoting" inside the pinch between the index finger's second joint and the thumb, the sticking being driven downwards with rapid flexion of the middle/ring/pinkie fingers, with very little wrist movement. He's letting the drumstick rebound off the tom drumhead's surface, and then snapping his cradle fingers (middle/ring/pinkie) closed to return the stick to the drumhead.
Later on, obviously, Mike moves to full hammer strikes on the toms, when he goes into the powerful grand finale, but he does so because the movements are much more coarse.
I would offer that the "wrist flick" you see in Shane's and other pros' strokes, is more due to this opening/closing of the fingers -- like a very gentle single-shot version of a drummer doing a rapid one-handed single-stroke roll -- than of actual flexion of the wrist downward (in a powerful hammer or drumhead strike) as you suggest. Two TOTALLY different movements.
EDIT: even that "single-shot version of a drummer doing a rapid one-handed single-stroke roll" is not a full corollary to the pool stroke, as the drummer is applying a downwards "swing" of the implement via closing those cradle fingers. I don't think any pool or snooker pro does that -- the chance of applying yaw to the cue is too great, and would offer questionable benefit anyway.
Thoughts?
-Sean
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