Biomechanics of non-bowling arm...

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phil2oo8

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Biomechanics of non-bowling arm...

hi,
as everyone knows we all get coached to have a high non-bowling arm inside or close to the line of the trunk. i was just wondering would we not be quicker if the non bowling hand touching the bowling shoulder provides a shorter lever, permitting greater pace for quick bowlers. For example like shoib akhtar.

Is either biomechanically better?
 
Re: Biomechanics of non-bowling arm...

I'm not sure if what you suggest would work, but would be willing to try it out.

I think also, what we have to remember is, that bio-mechanics is not the be all and end all of coaching. It is a system that takes numerous elements and brings them together (with pace bowling in mind) in order to get the best results without putting any unnecessary stress on the body.

Many people would say that the slingshot action, as used by Thompson, is the ideal action for gaining speed but at what cost to the back and shoulders? That is why many coaches will coach what is in the book - namely as it's deemed to be the safer method as far as current studies show. Coaches would rather have people playing than spending time out injured due to poor technique.
 
Re: Biomechanics of non-bowling arm...

phil2oo8;27393 said:
hi,
as everyone knows we all get coached to have a high non-bowling arm inside or close to the line of the trunk. i was just wondering would we not be quicker if the non bowling hand touching the bowling shoulder provides a shorter lever, permitting greater pace for quick bowlers. For example like shoib akhtar.

Is either biomechanically better?
Click to expand...
The front arm is something that should just be natural, worry about the other parts of your action. With the front arm, just make sure it vaguely aims where you want to bowl.

My two cents.
 
Re: Biomechanics of non-bowling arm...

if you look at shoaib akhtar bowl, his nonbowling arm briefly touches his bowling shoulder, but then he pushes it out towards the batsman before forcing it back into his side and behind as his bowling arm comes around. i think the force of bringing his non-bowling arm back gives him a bit of extra pace. you can see it in this video: [ame="http://www.youtube.com/watch?v=G84A5lvdmGs"]YouTube - Shoaib Akhtar IPL 4 Wickets sehwag,gamhbir[/ame]

if i remember right, a shorter lever is going to prevent you from generating maximum output force. think about it, if you grip a hammer just below the head, you generate less power than if you grip the hammer at the end of the handle while using the same amount of force. try it with a bat mallet!
 
Re: Biomechanics of non-bowling arm...

thats turning moments in physics... it is to do with the pivot..... i.e force x distance from pivot = newton meter...... so i see what your saying but its a different concept... i think theres wasted energy in pulling your arm from a high height than from pulling it sharply into your side and through like aktar does with a full rotation with ur bowling arm from a short distance.

In regards to the hammer example thats only a relevant arguement of you wwere talking about the actual bowling arm i.e if it wer bent ud b slower if it where high and straight you would be quicker.... this is turning moments( although this would suggest having longer arms guarentees quicker pace?)
 
Re: Biomechanics of non-bowling arm...

Firstly, you should not be coached to have a 'high' non bowling arm ;) I get tired of telling people that their non bowling hand should be within vision.

Secondly, think about what happens to Akhtar's non bowling side shoulder during his action, bearing in mind he is a side on bowler... what do you see?

I think Unccricket is talking muscle mechanics. Take another look at the last thread on http://www.simplycricket.net/showthread.php?t=300
 
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