Nice analysis and demonstration! I think that one thing contributing to the spread-out stance is when beginners see those phony posed pictures of classic skiers with the back foot way out behind and up in the air (like 1960s racers). They don't realize that this is just an instant in the stride (perhaps exaggerated for dramatic effect), and end up concentrating on the position of the back foot. But their balance isn't good enough to get on one foot so they end up in that awkward position.
The ability to keep an athletic body position with hip (center of mass) over the feet is to push down our push off from the mid foot in order to transfer your center of mass (weight shift) over to the other ski so that you can balance on that ski which allows the leg and foot in back to hang with ski off the snow. You're now balancing and gliding. Now the body movement of flexing the ankle, knee to push off again recreates the 3 skills of xc skiing. The timing of the push off comes when the arms come to parallel position along the waist as the arms swing diagonally forward and back for extra body forward motion. Try the drill without poles. Slow and easy then progress to more power and tempo.
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Nice analysis and demonstration! I think that one thing contributing to the spread-out stance is when beginners see those phony posed pictures of classic skiers with the back foot way out behind and up in the air (like 1960s racers). They don't realize that this is just an instant in the stride (perhaps exaggerated for dramatic effect), and end up concentrating on the position of the back foot. But their balance isn't good enough to get on one foot so they end up in that awkward position.
Could be the case...and the fact that 1 footed balance is difficult and needs practice
The ability to keep an athletic body position with hip (center of mass) over the feet is to push down our push off from the mid foot in order to transfer your center of mass (weight shift) over to the other ski so that you can balance on that ski which allows the leg and foot in back to hang with ski off the snow. You're now balancing and gliding. Now the body movement of flexing the ankle, knee to push off again recreates the 3 skills of xc skiing. The timing of the push off comes when the arms come to parallel position along the waist as the arms swing diagonally forward and back for extra body forward motion. Try the drill without poles. Slow and easy then progress to more power and tempo.
Good points..I do alot of no pole skiing early in the season to regain balance and appropriate stance