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Old 12-03-2012, 08:14 PM   #56
SystemicAnomaly
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Join Date: Feb 2006
Location: Stuck in the Matrix somewhere in Santa Clara CA
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Quote:
Originally Posted by zapvor View Post
i guess its tough to explain. when you bounce a basketball, you dont complain of vibrations/ shock. when was the last time any NBA pro or any casual basketball baller said "oh god the way the ball bounces its giving me shock and vibrations" so again, go bounce different kinds of tennis balls. try it.
It appears that I have not been clear enough with what I've been trying to say. ALL ball impacts with the racket/strings will transmit some measure of shock and vibrations to the hand and arm holding the racket. Even when we hit foam balls or the softest Penn balls with the most arm-friendly racket available on the market, there will be some shock & vibrations transmitted to the hand/arm -- this is what we are feeling. When we say that Dunlop balls feel harder than Penn balls, it is because they affect the strings and racket in such a way that a bit more shock/vibrations are produced that reach your arm.

When you bounce your basketball you also feel shock/vibrations transmitted to your hand/arm. However, they are not usually great enough to really bother you. It is only when the shock intensity or magnitude that reaches our arm is large enough that problems arise.

If the intensity is high enough, the shock can eventually result in wrist, elbow or shoulder problems. In your case, the shock/vibrations from hitting Dunlop balls is enough to bother you a bit but not enough to cause any real pain or damage.

The bottom line: Just because an impact doesn't result in pain or damage does not mean that no shock or vibrations are produced (and reach your arm).
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