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Video for MA Practice (Equipment)

post #1 of 7
Thread Starter 
Location: Sugar Bowl
Run: Donner's way
Conditions: Mid day spring Sierra soft with hard pack under. partly skied out
Type of run: This is a black diamond run (usually groomed but one of our steeper runs)

Video Clip

Let's break this down by Turn Mechanics


There is a pole plant/touch on almost every turn but it seems to be timing and cosmetic rather than a functional touch. On his left turns the pole plant seems to be late and this skier lets the hand get way behind. Probably another reason for the abstem in the left turns.

In the right turn the pole touch doesn't grab and pull the right hand back. The arm is "picked up" at first then the hand drops down to the side but it does not seem to get as far back.

The skis shape is helping a little but the skier is not using the shape of the ski to it's best potential.
post #2 of 7
I think whats wrong here is that this skiier lacks rhythm, dynamics, determination and basic skiing tehniqe. The slope is steep and the conditions are bad I suppose but we also catch a glimps of someone else skiing and it looks much better. If he stayed a little longer in the fall line and did not brake so much at the end of the turn it would be an improvement. Proper pole plant is a sign of determination and that is exactly what this guy is lacking. He looks a bit scared and doesent have any rhythm going and also not using any of the small bumps to brake his speed.
post #3 of 7
I see some equipment problems. I don't right off the bat see an obvious fore/aft problem but I do see a canting issue.

Its now boating season here. This skier either has a short starboard leg or over canting under the port side leg. Probably has no footbeds or footbeds are made incorrectly.

Contrast this with dp's video.
post #4 of 7
This is what I would call a classic "z turner". Although there may be an equipment issue here, there's a lot that can be done without working on alignment/equipment. One could spend a lot of time talking about equipment and the various skills, etc. This is great for development of movement anlysis skills, but it's overkill for developing a lesson plan.

IMO - the most important area to focus on is getting the victim to start using the edges to turn instead of to brake.

I'll make a wild claim that a focus on ANY of the BERP skills (or equipment - but this is a stretch) could change this skier from a z turner into a c turner. Or one could take a movement approach to inducing change. There are so many things going on with a Z turner, I usually just go for a simple approach.

For this kind of skier, I typically find a slope with a flatter pitch, then work on making big (giant) turns where a gradual use of edges and comfort with speed and acceleration down the fall line is "forced" (/allowed) to happen. This usually "automatically" get the victim to start making improved movements for turn initiation, without having to get into the detail of exactly what movements or skills need to be taken away or added.

[ March 15, 2004, 08:37 AM: Message edited by: therusty ]
post #5 of 7
Thread Starter 
Thanks therusty

Since in a lesson we often don't get a chance to "fix" equipment. We would be able to inform the customer/guest that they should have that looked at but again, This exercise is to breakdown movement Analysis and turn mechanics

Is this skier using the equipment properly. ie shape of ski, pole use, etc.?

I think we agree he could get more out of the equipment that he has.

Like most instructors, I started trying to "over teach" during my clinic. This current exercise is me trying to break it down to the simple parts and then go from there.
post #6 of 7

Is this victim using the equipment properly? Yes (he's not abusing it), but he could use it more efficiently.

But usually the "equipment" focus for movement analysis is "are there things we can do to the equipment" to improve the skiing?

My answer in this case is that I'm lazy. Unless I see something really drastically obvious, I'd rather change the technique first because it's quicker and easier to do so. With cleaner technique it will be easier to spot if there are equipment issue holding the skier back.

Now I suppose it could be possible that Z turning could be caused by skiing on 220cm straight skis. If so, changing equipment would be my first approach. Except if the student was related to Glen Plake!
post #7 of 7
What ski's and boots were being used by the skier? Dimensions? midfat? marrow waist? You need to know if the skier was on carving skis, rental skidders and/or rear loaders to make a decent comment on appropriate equipment use. Did the boots even fit?

If he is using shapes, the skidded left hand turn does not take advantage of them. Assuming equipment is causing a problem in this technique, I'd guess that his boots fit sloppily, and the left boot needs canting. It looks like the left leg fails to release the inside edge in the left hand turn, and the skier steps from left to right to transfer weight to the outside ski. Then the left leg is lifted into place, and re-weighted.

The Right boot may also be loose, as his pivoting in the right hand turn is ok, but the left had turn is fearful, which looks like right foot control issues are present too....

Poles may be too long, giving the erect stance, and reduced extension/compression. Hard to see...

Is that more like it?
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