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pronation and supination to help on spin

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blahness View Drop Down
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    Posted: 01/16/2015 at 10:47pm
Pronation and supination movements are one of the most powerful biomechanical movements and they are heavily used in both tennis and badminton. 

I was watching a lot of the pro players, and found out that a lot of players pronate during the FH topspin stroke and supinate during the BH stroke. I've yet to try this, but I imagine that it would have quite some beneficial effects with regards to spin, as the motion naturally closes the racket face. It should by right add a lot of power to the stroke as well.

This might be something that we have all missed?
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zeio View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote zeio Quote  Post ReplyReply Direct Link To This Post Posted: 01/17/2015 at 2:05am
Hmm...I have a hunch this will turn into another great concave and convex loop debate again.

Either way, I believe it is essential to the generation of strong spin.
Viscaria FL - 91g
+ Neo H3 2.15 Blk - 44.5g(55.3g uncut bare)
+ Hexer HD 2.1 Red - 49.3g(68.5g 〃 〃)
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AgentHEX View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote AgentHEX Quote  Post ReplyReply Direct Link To This Post Posted: 01/17/2015 at 2:20am
Originally posted by blahness blahness wrote:

Pronation and supination movements are one of the most powerful biomechanical movements and they are heavily used in both tennis and badminton. 

I was watching a lot of the pro players, and found out that a lot of players pronate during the FH topspin stroke and supinate during the BH stroke. I've yet to try this, but I imagine that it would have quite some beneficial effects with regards to spin, as the motion naturally closes the racket face. It should by right add a lot of power to the stroke as well.

This might be something that we have all missed?


A swing and blade angle path that's more incident with the ball trajectory provides greater margin for error in timing.

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AgentHEX View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote AgentHEX Quote  Post ReplyReply Direct Link To This Post Posted: 01/17/2015 at 2:22am
Btw, that greater margin allows for more committed stroke. Faster stroke => more spin.
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AgentHEX View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote AgentHEX Quote  Post ReplyReply Direct Link To This Post Posted: 01/17/2015 at 2:37am
edit: ^ There was a post just above this that I replied to, so I'm not just talking to myself.

The gist of the answer is pretty straightforward, though that's not necessarily a deterrent to some long BS thread.

Any sort of mechanical advantage from leveraging angular acceleration or whatever from conservation of momentum isn't going to happen in the plane of the stroke anyway (unlike the whip/figure-skater motion around the up-down axis). The change in direction is too rapid/unpredictable in those directions which are already precision-limited.

Regardless, any effect to tracing the optimal path is probably pretty small, but perhaps significant enough to give it a shot.


Edited by AgentHEX - 01/17/2015 at 2:42am
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