Comparison between Hirscher and Kristoffersen?
This comparison would have to involve skis and boot brands. In my opinion Atomic skis are stiff and harsh, part of that issue is boot related, however the combination is tough on the racers. Rossingnols don't work well for everyone, but they sure do hit the sweat spot and are much more of a smooth carving boot and ski combination. If you pay attention to the skiers on the different products you begin to see patterns. The patterns influence of different brands of skis and boots influence ski and leg movements and the way they engage lower body angles. You can start to notice similarities between the skiers on the different brands. To do this analysis in a scientific way; I would have to be able to do a biomechanical assessment of each skier's foot and ankle. I would also measure cuff relationships and stationary balancing abilities while standing on an angled platform. It sure would produce some interesting results. We do this type of work every day at our ski shop.
Tip ski lift at the release!
I have never been anti-tip lift, I always saw, or noted that I had it in my skiing, I even wrote about it in 2007.
So I began to tell our students to keep the ski level rather than just lifting the tail. In doing the exercise of keeping the ski level, from a stationary rehearsal, I had them compare the difference in the actions of the leg muscles, between just lifting the tail and lifting the tip.
It became obvious even in a stationary exercise for this comparison, that lifting the tip keeps the ski closer to the ground and it also engaged important hip and torso muscles that helped set up CA and CB, which lifting the tail did not. I began to have the group use just lifting the tip at the release. Low and behold, most of their extension went away, and inside ski lead was reduced. Better overall balance and transfer increased. SO I stayed with it.
Biomechanically speaking, the action helps to close the ankle, or Dorsi-flexes the foot, lifts the foot. The tibialis anterior, is the main lifting muscle used to lift the foot, which also helps to invert the foot. In turn, higher in the kinetic chain it engages the hip flexor, (tensor fascia latæ), You can also use it at Starbuck to order a special Lattee, it really confuses the hell out of them.