You may find this to be a worthwhile understanding as well as a useful real physical function? Of this we on the ‘555 Team’ are certain! Use it regularly with predictable success!
Think of the human power (mechanical advantage) and Alignment Axes … Ankles, Knees, Hips, Shoulders and Ears. All you ‘555 Family Round Table Members’ will already be well informed. If not, we are here to assist you in any way we can. Why are our ‘Ears’ listed as Alignment Axes’? Feel free to dialogue with your very own personal ‘Certified Teaching Professional’! We love your questions and have had appropriate, functional answers for over four decades of satisfied members. That shall continue! Ask away!