Good video on knee movements

[Loki1]

Great video on how the knee moves.

 

[Steve]

They could use some work on their timing. Too many pauses.

 

[LiquidFeet]

@Loki1, thanks for that. They have planned to do 26 of these videos, one for each letter of the alphabet.

Question... Who is Dan? I couldn't find his name in the credits.

 

[LiquidFeet]

I found out who Dan is... Training director, Squaw. PSIA examiner.

Tips from Dan Ray, Professional Ski Instructor of America, Examiner and Clincian - Inn Shop

For a Balanced, Athletic Stance – Think Congruency By Dan Ray; Squaw|Alpine Ski and Snowboard Schools Training Manager; PSIA-W Examiner and Clinician Skiing is an athletic endeavor which requires a balanced, athletic stance in order to be successful. When developing and maintaining a balanced...

www.innshop.com

 

[Disinterested]

While I somehwat agree with how they characterise knee angulation as a result of other movements rather than from resulting from a natural tipping of the knee, I hope nobody comes away from this video thinking it's not essential because the video characterises it as an illusion.

 

[LiquidFeet]

Anybody familiar with Tom Gellie's video presentations want to compare these Dan and Ron videos to his in terms of usable information when skiing?

 

[Steve]

There’s no comparison, this is a quick hit with some info, Gellies are in depth, with context.

 

[Rod9301]

While I somehwat agree with how they characterise knee angulation as a result of other movements rather than from resulting from a natural tipping of the knee, I hope nobody comes away from this video thinking it's not essential because the video characterises it as an illusion.

Actually, knee angulation is not necessary. If the tipping starts from the foot, all you need and should use is hip angulation

 

[LiquidFeet]

Actually, knee angulation is not necessary. If the tipping starts from the foot, all you need and should use is hip angulation

Well now, there's bump skiing. One doesn't use hip angulation in bumps, and rolling the ankles is not enough. "Knee angulation" (aka femur rotation with knee flexion) rules in a bump field.

 

[mister moose]

Actually, knee angulation is not necessary. If the tipping starts from the foot, all you need and should use is hip angulation

Well now, there's bump skiing. One doesn't use hip angulation in bumps, and rolling the ankles is not enough. "Knee angulation" (aka femur rotation with knee flexion) rules in a bump field.

There are few absolutes in skiing.

 

[Uke]

There are few absolutes in skiing.

Well, that depends.

 

[LiquidFeet]

There are few absolutes in skiing.

Well, OK. Fall line bumps ... knee angulation, no hip angulation. Except when someone breaks the rule.

 

[Disinterested]

Actually, knee angulation is not necessary. If the tipping starts from the foot, all you need and should use is hip angulation

It just so happens that people do tip starting with their feet also pretty much always have knee angulation because you're balancing precariously close to not having good platform angle without a hair of it in lots of situations, or in other situations your outside foot will try to supinate without it.

Ed: I agree you very occasionally see very minimal use of it in speed skiing under very high loads but elite skiing in most applications shows some, with major variance in the degree to which it's a preferred tool among good skiers. But count on seeing it 9/10 times.

 

[Rod9301]

Well now, there's bump skiing. One doesn't use hip angulation in bumps, and rolling the ankles is not enough. "Knee angulation" (aka femur rotation with knee flexion) rules in a bump field.

That's true, femur rotation, but if you call it knee angulation people are going to try to do the wrong thing.

 

[migdriver]

strictly speaking calling it knee “angulation‘ ( which it superficially appears to be) confuses skiers to try and do the anatomically impossible. Although , usually when they try , they’ll end up getting there by using the combination of knee flexion and femur/hip rotation without realizing it.
Although the knee is free to flex, lateral or medial angulation of the joint is hampered by the lateral and medial collateral ligaments. The LCL and MCL not only limit lateral / medial displacement of the femur on the tibia ( keeping the articular surfaces aligned) but also work to maintain a relatively uniform joint space . Try to tip ( angulation) the femur to one side or the other on the tibia as sometimes happens in a fall can lead to an MCL or LCL sprain or tear injury or , worse, drive a femoral condyle into top of the tibia with a resulting tibial plateau fracture .
BTW; Ron Kipp , one 1/2 of the Dan and Ron Duo is the Squaw Valley Ski Team Coaches Education and Development Manager...he was previously with the US Ski Team / USSA as Alpine Sport Education Manager.. Both He and Dan are superb coaches/ teachers in the flesh and Ron has a remarkable ability to take any WC run and dissect it not only tactically but also to translate what’s going on from an anatomical/physiologic/ athletic perspective.

 

[LiquidFeet]

strictly speaking calling it knee “angulation‘ ( which it superficially appears to be) confuses skiers to try and do the anatomically impossible. Although , usually when they try , they’ll end up getting there by using the combination of knee flexion and femur/hip rotation without realizing it....

Exactly.