Right heel off ground before impact.

[Brian Manzella]

Rubbish. Show me video of a REALLY long hitter that doesn't do this.

75% of all the WORK the body does, does NOT go into club head speed.

I guess your right and all the scientists that measured it are wrong. Just tell me how a guy standing on a basketball can hit it 280 or more or how a guy on his knees can hit it 300. Got no knees or legs to use.

From Sasho M.


In the simulated golf swing, the main
source of power delivered to the golfclub originated
from the passive joint forces created at the
wrist joint as result of the whip-like kinematics
produced by the torso and arms.

Yup.

Steven Nesbit: 75% of all the WORK the body does, does NOT go into club head speed.

I'm not arguing at all that the "main" source of power is the torso and arms. What I am saying is that the big hitters augment that power with the lower body. And I've seen no research that contradicts that.

BTW, how many players did Sasho study? Who were they? Most of the studies I've looked at study very few players and none of them qualify as "elite". Can you provide links to these studies you reference?

For a math guy, the math is easy.

You look at WAY TOO MUCH video and WAY TOO MANY stills, Jeff. Science is science.

I repeat my challenge: show me a video of a REALLY long hitter that does not go from both hips and knees flexed and externally rotated to both hips and knees extended and internally rotated. Visual evidence please.

I agree.

They are PREPARING TO GO NORAML TO THE CLUB!!!

That wouldn't be any fun!

Look at this:

Great pics.

THEY ARE ALL PREPARING TO JUMP TO AID IN "GOING NORMAL TO THE CLUB."

 

[jeffy]

You look at WAY TOO MUCH video and WAY TOO MANY stills, Jeff. Science is science.

Science is developing a hypothesis then testing it against observations. One observes by LOOKING at (and measuring) things.

You're beginning to sound like Al Gore (not a compliment): "The science is settled!". Well, it ain't in global warming (15 years of cooling in the US) and I think it is a long way from settled in golf. But, keep at it!

 

[Brian Manzella]

Science is developing a hypothesis then testing it against observations. One observes by LOOKING at (and measuring) things.

You're beginning to sound like Al Gore (not a compliment): "The science is settled!". Well, it ain't in global warming (15 years of cooling in the US) and I think it is a long way from settled in golf. But, keep at it!

Jeff,

You are dealing with EXPERTS.

Our guys do math models and measure real golfers.

You are beginning to sound like James Carville.

 

[jeffy]

THEY ARE ALL PREPARING TO JUMP TO AID IN "GOING NORMAL TO THE CLUB."

So, extending the hips and knees (jumping) adds clubhead speed.

 

[jeffy]

Jeff,

You are dealing with EXPERTS.

Our guys do math models and measure real golfers.

You are beginning to sound like James Carville.

That kind of argumentation is called "an appeal to authority". That doesn't work very well with people that have paid attention to how wrong so many scientists and experts have been, on issues large and small, complex and mundane. "Math models" are prone to all sorts of errors. Remember the financial collapse a few years ago? Huge failure of "math models".

And, BTW, though I don't agree with his politics, I love Carville. Brilliant guy. Thanks for the compliment!

 

[Brian Manzella]

Jeffy,


GEeeeeeezzzzz!


Listen, just know that for MAX SPEED, you need ALL FORCE to go NORMAL pre-impact & at impact.

How you think they do it is fine with me.

It is very obvious that they are DOING IT!!!

 

[jeffy]

Jeffy,


GEeeeeeezzzzz!


Listen, just know that for MAX SPEED, you need ALL FORCE to go NORMAL pre-impact & at impact.

How you think they do it is fine with me.

It is very obvious that they are DOING IT!!!

Did I ever say they weren't? You see arguments where there aren't any.

 

[Brian Manzella]

I KNOW THAT Jeff.

I just want everyone else to know that.

 

[footwedge]

That wouldn't be any fun!

Look at this:

Your right that wouldn't be any fun. There's always something else we can debate and prove your wrong. Just kidding, of all the Jeff's your my favorite one.

 

[ej20]

I think it all depends on how the right heel comes off the ground.It should be the result of lateral move of the lower body and not a spinout of the hips and knees.

A strong lateral move may indeed add some power.It appears that swinging happy gilmore style does add yards.

Also remember that power hitters generally use a wider stance.It's very difficult to keep the right heel on the ground with a wide stance.Even a small amount of lateral motion will raise the right heel.

 

[dschultz6072]

Long enough, and they do exactly the same thing as Jaimie and all the other big hitterrs:

Hips and knees flexed and externally rotated:

Hips and knees extended and internally rotated:

whoa i thought this was just about the right heel coming off the ground earlier than impact.

 

[jenhaoyen]

This is how I discovered this forum.