I use one of those kneeling chairs that increases the angle between the legs and torso and allows a proportion of my upper body weight to be transmitted down my

I use one of those kneeling chairs that increases the angle between the legs and torso and allows a proportion of my upper body weight to be transmitted down my legs and through my knees, instead of being transmitted through the pelvis on to a regular chair. In the year or so I've been using it, I very rarely experience any hip/glut pain and zero upper back pain. I also do 3 yoga classes a week...