Anybody willing and able to analyse this clip from a biomechanical or Newtonian physics viewpoint: https://www.youtube.com/watch?v=oNlFzZR0iT4 , Alyona's in my eyes -most awesome- triksel from GP de France short program.
The way she approaches the camera at full speed, sharply turns and cuts into the launch, swinging her right free leg around, pushing off with the left leg to achieve enormous height and being able to rotate 1260 degrees clean in the air, landing on the red line, since I notice very little pre- and post rotation.
How is she able to convert kinetic energy into potential energy to lift herself (around 40 kgs) like 60-80 cms off the ice? You can see the muscles in her left thigh working, and no doubt the butt, calve and ankle muscles work in unison too, as do the core, arms and shoulders. All coordinated in a flash to deliver the lift since I assume the speed propels Alyona along her trajectory.
I can imagine the fear of skaters wanting to throw a full speed triksel in the corners, for when they break out, they'll crash into or onto the boarding. Alyona in her most recent interviews talked about the learning process and the pain it took, which makes her all the more gutsy, since she overcame principal fear or seriously hurting herself. No doubt she will have remaining 'battle scars' as a sign of distinction, of coming of age, of entering the League of Trikselistas, which is the elite from the elite in figure skating.
She leans into the curve to counter the centrifugal force, so any centripetal force has to come from herself, which I assume is by leaning to the inside, which robs her from some 'leverage'. Also, her trajectory seems linear and not curved because of her rotation? So the lean to the inside at the lift off counters the natural drift to the outside?
Does her forwards speed and momentum, the kinetic energy, give her any lift and how is this achieved without jumping over the toepick or off the edge?
PS, it is also brave to perform the element right in front of the camera, no chance of any cheating in take off or landing.
That video makes her landing look very suspect though...