Advancing Your Lateral Hip Stability
By Jeremy Klinkhamer at January 22, 2013 | 12:11 am |
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MichaelBlock, 4 months ago
Jerry
Are the hips, pelvis and torso dependent or interdependent of the shoulders?
Jeremy Klinkhamer, 4 months ago
Hi Michael,
Simple, yet complicated question. I would have to say the answer is both (if you’re referring to rotation). When we test players, including professionals, we test their ability to have independence, or dissociation, of the upper body rotation (shoulders) from the lower body rotation (hips/pelvis) and visa versa. This independence can only occur within the limits of a players spine rotation flexibility. Beyond that though, when we look at 3D data on tour players we notice on the backswing that their “shoulder turn” eventually ‘drags’ the hips into rotation. Tour averages of Torso Rotation in the backswing are just under 90 degress and the Pelvis Rotation is around 40 degrees. So, you could say for the first ~50 degrees of their Torso Rotation they are independent, but for the next 40 degrees they are dependent upon each other. Similar ‘dependent’ actions occur on the downswing as the lower body initiates the movement, torso next, arms third and club head last, i.e. kinematic sequence. Sorry for the complicated answer but this kind of stuff goes right to the heart of “proper” golf fitness training. Good discussion material… thanks.
Jeremy Klinkhamer, PT