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Delta or heel lift?

post #1 of 6
Thread Starter 
When I stand in my boots on a flat surface (my living room floor) and I attempt to squat through a full skiing range of motion, I can feel myself getting thrown into the back seat about 2/3 of the way down. When I put about a 1/2 inch thick book under the heels of my boots, I can move through a full range of motion without getting tossed into the back seat. Do I need heel lifts or do I need to adjust my binding delta?

Soon I will be making an appointment with Bud Heishman to address this issue, but I'm not sure how soon I can get in. I'm the curious sort, so I'm looking for some opinions. Thanks!
post #2 of 6
First we look at static alignment while clicked into your skis as we need to see the affects of binding delta, ramp, forward lean together and make the appropriate adjustments. Then we need to examine dynamic balance while skiing which takes into consideration binding placement, boot flex, physical traits, and possibly some fine tuning of the static angles.

Finding the optimum fore/aft angles will facilitate ease of balance and allow the most functional skiing movements. The angle between the femurs and the torso will be the most relaxed as we get closer to optimum.

As for your living room test, realize you have not factored in your binding delta angle created by height differential between your toe piece and heel piece and the length of your boot sole relative to these two heights. When this is factored in, you will probably be close to where you feel with the 1/2" book under your heels.

Looking forward to working with you!
post #3 of 6
Thread Starter 
I hear ya. Although I did clip into my skis on the living room floor and still notice the balance problem. So that takes into account binding delta right? I put the shims that you gave me under the heel as well and it seemed to help. I realize that it is far from an on hill test, but I'm just experimenting while I have no time to get to the hill

Bottom line is I need to come see ya! Thanks for the reply. I'd still like to keep the thread going if you have any other input.
post #4 of 6
I am sure the other fitters will have some suggestions too!!
post #5 of 6
The more you "tip" the boot forward, an imbalance of toe versus heel pressure bias occurs. Also, as we increase forward lean angles, the hips drop and rearward lowering occurs which in turn decreases active (skiable) range of motion. Not good when it come to modern "two footed" skiing.
post #6 of 6
Thread Starter 
Thanks for the input Cantman. I wonder if it could be a simple forward lean or flex issue that is creating my loss of balance to the rear through the last third of my vertical range of motion?

Can't wait to get in to see Bud. Ahh if there were only more time in the day:
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