Hips – Lateral

More than almost any other sport, skiing requires big lateral moves. While the lower joints are great at controlling the micro… the hips are where the macro happens!Hip Abduction:This lateral move at the hip joint most commonly happens on the outside half of the body to create ‘angulation’. Angulation allows the torso to counter balance the pelvis moving inside the arc. The skis can then be tipped further on edge while still maintaining pressure through the outside ski.  Hip abduction to create angulationHip angulation in a carved turnHip Abduction - Gluteus MaximusHip Abduction - Gluteus MediusHip Abduction - Gluteus MinimusHip Abduction - Iliotibial TractHip Abduction - Inferior GemellusHip Abduction - PiriformisHip Abduction - Tensor Fasciae LataeHip Abduction - Superior GemellusHip Abduction - SartoriousOpen Chain Hip AbductionAnother instance where you’ll often see hip abduction is during a recovery move in the air… or while impressing your friends with a steazy Spread Eagle:)Hip AdductionAdduction pulls the femur in towards the midline of the body. While the outside half abducts, the inside half often adducts to keep the skis on a similar edge angle.Adduction of inside leg for angulationHip Adduction - Adductor BrevisHip Adduction - Adductor MagnusHip Adduction - Adductor LongusHip Adduction - PectineusHip Adduction - GracilisVertical Becomes LateralVertical moves contribute to lateral moves lateral moves…1) Hip flexion or extension on one side of the body can manage pressure between the two skis.2) Hip flexion or extension on one side of the body can cause inclination and tip the skis on edge. Hips - Vertical…
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liuckk59
liuckk59
4 months ago

While the outside half abducts, the inside half often adducts to keep the skis on a similar edge angle. Adduction of inside leg for angulation This point is crucial concerning my current trainer’s evaluation of my skiing in gs. He encourages me to do the opposite, driving my inside knee out toward the gate. I agree with you, instead, but, being a trainee, in this case, I need supporting statements for my thoughts. Can you please speculate more about the two statements I reported above? Can you broadly explain the bio-mechanical facts that produce this inside edge angle adjustment? I… Read more »

liuckk59
liuckk59
4 months ago
Reply to  SkiNerd

Thank you a lot for your articulated reply.
I’m enthusiastic about finding you exploring that bio-mechanical situation with interest. I’m looking forward to seeing news from you somewhere on your site.
However, what I gratefully take away, for now, is the idea of a double and coordinated action of the femur where one of the two actions (inside hip=femoral head up to level out the pelvis) seems to work against (limiting) the inside femur inclination.
About this manoeuvre, I often hear people talking about Q-angle.
Don’t you?

gpatters
gpatters
4 months ago

As usual very interesting and informative.

Side note: The sartorius animated diagram (to the right of the piriformis diagram in the abduction section) is mis-captioned. The mouse-over tip is correct.

Last edited 4 months ago by gpatters
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