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In this golf smart insight, we're going to look at answering a member question about why is

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it so problematic to get your arms involved too soon in the downswing?

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So we have to do a little bit of anatomy lesson here.

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But basically, muscles when they can track, are pretty much just going to pull.

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So a muscle is going to pull almost equally from both ends or frequently it will pull

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equally from both ends.

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So what usually happens is when you go to accelerate one part of your body like my arm,

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it's going to cause the part that it is attached to to stabilize.

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We see this in the kinematic sequence where when I go to, I start with my lower body

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and then when I go to fire my upper body because of the way the muscles attached to

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my pelvis, it causes my pelvis to slow down.

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Well the same thing is going to happen at my shoulder girdle on a little bit of a smaller scale,

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because my shoulder muscles are roughly, especially the ones that do this are roughly

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going to go from this part of my arm to kind of the end of my shoulder blade kind of

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like so.

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So what happens is the muscle shortening here is going to cause this to pull this way,

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but if I also had was in free space, it will cause my body to rotate that way.

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Can you see how those two kind of happen together?

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So if I get my arm pulling off my body very early in the downswing, I'm pretty much telling

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my rib cage to slow down and stabilize.

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And so what can happen is if that happens too soon in the downswing, then I'm not going

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to get my body rotated open enough for when those arms extend.

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So it can cause path issues, angle the tack issues, and it can cause sequencing and power

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production issues.

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All these things are great if I'm hitting a little wedge shot, but they're very problematic

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if I'm trying to maximize my speed off the tee.

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So make sure that you use the feedback that you can and the drills that we prescribe in order

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to help you work on your sequencing so that your body initiates that transition and then

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your arms don't jump in until the proper time in place.