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#654 The Science of Swing Structure: Why Lead-Arm Position Is Only Half the Story

Many golfers believe there is one "correct" lead-arm position at the top of the backswing. Modern biomechanics shows otherwise. Elite players succeed with both high and flat arm planes because performance depends on how well the position matches the golfer's body, loading strategy, and transition mechanics—not on appearance.

Two Effective Lead-Arm Patterns

Transverse-Dominant (Horizontal)

Flatter arm plane with the handle moving around the torso.

Stores energy mainly through the chest, shoulders, and scapular muscles.

Requires the handle to move slightly outward during transition to create…

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