I was thinking of starting a thread about the valgus position. My right (back) foot is permanently angled out. I discovered this skiing, sitting in the chair lift and looking how my right ski angled out. I'm pretty sure it's from my tube stance. Tuberiding, especially in the small waves we have locally, was my specialty.
After my back injury tube riding went out the window. The flexed position caused pain. But now My back is getting better however I found getting in a tight tuck is now hampered by the lack of mobility and reduced ROM in my knees and hips. I've been "stretching," just getting in that tube stance and holding it. Then getting in and out of it. That will trigger warning signals at first. It's what VM calls exercising in a "compromised position" but it seems the only way to get used to it. I'll do regular air squats and then "tube squats" and the stresses on the legs feel very different.
Here's C.A. in the the valgus position I'm referring to, which is the same as my frontside leg position ( or was)-
His backside is extreme. Like an MCL tear waiting to happen...
IDK if there’s anything wrong with that. The weight is mostly on the front foot and he has the mobility to do it. Better to practice slowly than stiff and cold after no warm up, but it should be fine after a warmup.