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#727 Why Your Right Arm Is Killing Your Contact: The Biomechanics of the “Pure Strike”
Many golfers believe a straight trail arm at impact creates maximum power. Biomechanically, the opposite is often true. Pure contact is not created by forcing the arm straight—it is the result of an efficient whole-body sequence.
3D data shows an important difference between elite players and many amateurs. Elite golfers typically retain around 21–22° of trail-elbow flexion at impact, while amateurs may approach only 12°, meaning the arm has extended much earlier. The trail arm therefore acts as a Dynamic Radius Controller. When it straightens too soon, the swing radius expands prematurely…
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