Seeing the plane - LynnBlakeGolf Forums

Seeing the plane

Drills, Training Aids and Equipment

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Old 05-03-2006, 03:13 AM
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Mathew Mathew is offline
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Hmmmmm, Im not sure...I have two reservations about this...

After spending alot of time practicing indoors, one thing I have noticed is that generally if you look at your stroke in a mirror problems start occuring, mine usually come from not concentrating on a point on the ground to make sure I maintain a stationary head. If you where to do this, take the club back to where you want to check an alignment at a certain point and don't watch the clubhead go back, keep the eyes on a fixed point and then stop and only then check the mirror. It takes a certain amount of discipline do this this as we all want to see our stroke in motion....

Also I really don't like certain things relating to lines drawn on video tapes and have a feeling that this would fall under the same category because there is definately a perspective problem. Our eyes and video cameras produce a perspective view and not an orthagraphic or flat view, therefore the club to what seems like it is on a straight line maybe on plane at parts and offplane on others. If you where to use a perspective view, the only way I like to see it is if you produce an overlay of all frames - kinda like the strobe pictures of Bobby Jones but would prefer to see it at a slight angle at the side going towards the front, not dead on the side.... - I really think that the new golf stroke analysis programs should have an automatic process for this as I believe its the only way to precisely see what is happening.....
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Old 05-03-2006, 04:38 AM
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ChrisNZ ChrisNZ is offline
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Originally Posted by Mathew
Hmmmmm, Im not sure...I have two reservations about this........
Perhaps...

But I think one advantage of this is you don't have to move your head to check your alignments. You might have to move your eyes, but that's not too bad. I actualy think you can probably just do it with your peripheral vision...

As to parallax and that kind of stuff, I don't really see it being an issue. Imagine a flat horizontal surface - like a table top - now imagine bringing your eyes in line with that surface, it appears as a virtually 2-d line. Now imagine a club moving on it - where's the perspective problem? This is what's happen when your club and hands are on the selected plane which you've set up with the mirror. I'm not sure that there can be perspective problems in 2-d!

As I said before, if you swung in the plane of your eyes to the ball, the club and your hands would appear to go straight back and through.

Chris
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Old 05-03-2006, 08:22 AM
neil neil is offline
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Originally Posted by ChrisNZ
Perhaps...

But I think one advantage of this is you don't have to move your head to check your alignments. You might have to move your eyes, but that's not too bad. I actualy think you can probably just do it with your peripheral vision...

As to parallax and that kind of stuff, I don't really see it being an issue. Imagine a flat horizontal surface - like a table top - now imagine bringing your eyes in line with that surface, it appears as a virtually 2-d line. Now imagine a club moving on it - where's the perspective problem? This is what's happen when your club and hands are on the selected plane which you've set up with the mirror. I'm not sure that there can be perspective problems in 2-d!

As I said before, if you swung in the plane of your eyes to the ball, the club and your hands would appear to go straight back and through.

Chris
I'd love it to be correct Chris but after thinking about it I don't see how you can look along a line that is not in line with your eyes and get a true reflection.It may get close if the selected plane was close enough to the "eye plane "but your'e still splitting the differece between the two planes-if my understanding is correct.I think you will be viewing from above plane from the ground back up.
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Old 05-03-2006, 03:41 PM
mb6606 mb6606 is offline
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I set two cheap door mirrors side by side against a wall.
I grab any club for this example a 5 iron. Setup in front of the mirrors so you can see the ball and right shoulder (down the line view).

Set a broomstick/dowel (broom stick is longer) in the frame of the mirrors. The broom stick or dowel is set at the angle of the sweetspot of my club up through my desired shoulder plane. You may have to re-adjust several times to get it right.

Swing the club back (RFP naturally) and down - you could also use a double ended laser, double flashlight or dowels. Watch your hands/shaft ride up and down the broomstick. Even if your hands are slightly above/below the broomstick no matter as long as they remain parallel to the broomstick (on one plane).
I like to do the dowel drills as well in the mirror.
"LOOK, LOOK, LOOK"!!!
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Old 05-03-2006, 05:08 PM
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ChrisNZ ChrisNZ is offline
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Originally Posted by neil
I'd love it to be correct Chris but after thinking about it I don't see how you can look along a line that is not in line with your eyes and get a true reflection.It may get close if the selected plane was close enough to the "eye plane "but your'e still splitting the differece between the two planes-if my understanding is correct.I think you will be viewing from above plane from the ground back up.
A picture's worth a thousand words - if you go to my user profile by clicking on ChrisNZ to your left, and going to my user profile, then I've posted a profile picture of Sergio with some lines drawn on it to demonstrate, how, with the aid of a mirror, Sergio could see the clubshaft plane at address looking 'up the plane' so it appears as a line. (No way of uploading pictures for me, so this'll have to do as a work around!)

The black lines represent the line of sight. The short red line by the ball represents the mirror, and the long red line shows the angle of the mirror (halfway between the two black lines).

Does this help?

Chris
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Old 05-03-2006, 09:06 PM
neil neil is offline
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Originally Posted by ChrisNZ
A picture's worth a thousand words - if you go to my user profile by clicking on ChrisNZ to your left, and going to my user profile, then I've posted a profile picture of Sergio with some lines drawn on it to demonstrate, how, with the aid of a mirror, Sergio could see the clubshaft plane at address looking 'up the plane' so it appears as a line. (No way of uploading pictures for me, so this'll have to do as a work around!)

The black lines represent the line of sight. The short red line by the ball represents the mirror, and the long red line shows the angle of the mirror (halfway between the two black lines).

Does this help?

Chris
With you Chris ! To complete the package all you need is to place the mirror below the gound -on plane -i.e.just move it back down the long red line so you can make sure you are on your true plane and not hovering the club so you don't break the mirror!.Good stuff
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Old 05-03-2006, 10:12 PM
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ChrisNZ ChrisNZ is offline
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Originally Posted by neil
With you Chris ! To complete the package all you need is to place the mirror below the gound -on plane -i.e.just move it back down the long red line so you can make sure you are on your true plane and not hovering the club so you don't break the mirror!.Good stuff
Below ground - yes! Technically the mirror could go anywhere on the long red line, you'd just have to change the angle of the mirror, but the best place for it is where your eyes usually look during a shot - the ball. Ideally then, you'd want the half of the mirror closest to you under the ground, with the mirror angling above ground on the other side of your plane line. For practical purposes though, just above the ground is fine. Just make sure you use a short club or grip down!

Chris
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