What is the Magic Triangle in the Golf Swing?

"Keep your left arm straight"! You've been hearing this golf mantra for years.

The trouble is; how do you learn to keep your left arm straight?

A lotta golfers who think they keep their left arm straight during the golf swing are shocked when they see themselves swing on video...The left arm of these golfers are bent as much as 90 degrees during the backswing and/or the downswing...or the downswing.

Then there are the golfers who try so hard to keep their left arm straight during the golf swing their backswing is restricted to the point they have little or no power.

So, how do you learn to keep the left arm straight during the golf swing?

But first, let us discuss the physics behind an ideal golf swing...

Golf swing experts talk about a "Magic Triangle" that is created in a fundamentally sound golf swing. This is the triangle formed by the golfer's left arm, the golf club, and an imaginary line from the golfer's left shoulder to the center of the club face. For best results, this triangle should be maintained from the start of the backswing to just before the impact area when you release the club head. This will produce a high speed impact with the ball as described in detail by Joe Dante in his top selling golf instructional book - "Four Magic Moves To Winning Golf".

By focusing on maintaining the magic triangle throughout the golf swing you are taken advantage of a powerful physical force...the conservation of angular momentum...the principal that states angular momentum of an object remains constant as long as no external force or moment acts on that object.

If the object (club head) is brought closer to the axis (formed by the golfer's stable spine), it speeds up. As the club head moves further out from the axis of rotation causes it to slow down. In a golf swing, as the player rotates the club, the hands move farther from the body or axis and slow down. This reduction in momentum feeds into the much lighter club and increases the speed of the club head in the last part of the stroke, in a whiplash type of effect, increasing the force of impact on the ball.

The truth is, if your left arm does not stay straight during the golf swing, you are losing out on the benefits of centrifugal force because your swing arc is smaller. Think of your left arm as a spoke in a wheel and your swing arc as the circumference of the wheel. By not keeping your left arm straight you are essentially shortening the spoke thereby reducing the circumference. You are also upsetting the positive effects of conservation of angular momentum and thus reducing the speed between club face and ball.

Now that you understand the physics behind the benefits of keeping your left arm straight during the golf swing...

How do you learn to do so?

The answer is quite simple; All you need to do is to become aware of this magic triangle during the golf swing. Don't try to force this triangle...just become aware of it next time you go to the range...

Then, just before impact, release all that stored energy you will have in the club head, like cracking a whip!

Before you know it the ball will be exploding off your clubface...

You'll be surprised how straight your left arm becomes during the golf swing just by shining the light of awareness upon this magic triangle during the golf swing.

You will now have a tiger by the tail so use this new found power wisely!

Hit 'em Long and Straight!

John Lynch

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