@snoWYmonkey &
@liquidfeet -- thank you for helping me see new things; I have nowhere near the experience coaching/instructing that you ladies do. Always trying to learn more!
So, please do correct me if I'm off base here, but I couldn't resist the stick people:
I always like to think how I can align my ankle/hip/knee joints to be the best shock-absorbing spring, without going beyond their stable range of motion -- we all have physical limits on how far each "hinge" can bend, so have to work with that.
How can B1 balance?
1. Our "backseat" skier with locked ankles
2. Our skier again, with ankles relaxed at max flex (no change in hip angle)
3. Our skier (blue) with a much more upright posture / less flex, but still balanced, overlaid on the green posture in #2. Moving between these positions is nice and springy, knees don't bend past 90 degrees (easier on quads), shins get driven into the boots
4. Shins are driven fully into the boots (green), so any more shock-absorbing has to come from hips and chest driving forward (yellow), causing further knee bend
(A3). Drop a little further to the extreme end of our range of motion, and we're the balanced skier in A3.
5. (Ouch) The often-forgotten 4th hinge in alignment -- our pelvic tilt, which will affect how upright our torso is, and how "closed" and restricted our hip joints are (with lordosis/arching worsening that) . It's much harder to initiate rotary motion or even apply edging pressure with "closed" hips, and can lead to lower back soreness.
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I miss snow!