In The Golfing Machine, Homer Kelley coined the term Hula Hula Flexibility to describe this ability to Shift the Weight while maintaining a Centered, Stationary Head (7-14).
The Hula Hula is a concept that has eluded many swing gurus. Many see two legs that need to be loading and unloaded. Sway right, sway left- Ballard for example.
Hula Hula is not a mere Hip Slide as some think. It is the independent hip action from the shoulders under a centered head. The heart of the pivot.
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