You are SO wrong…it is actually pretty funny!
I don’t even know where to start with what you wrote…so i won’t. I will let Dbandre pick that apart.
I’d prefer Mike do it. I stand by my statements although both technically mean the same thing. Improving velocity at take-off. Not approach velocity, although a very fast approach helps, but not if hinders stiffness, a low jump with a short distance. A slow approach usually means you can maintain stiffness, but if you exaggerate the penultimate step you will slow down even more leading to lose of momentum going into the plant and subsequent take-off more than you want to and produce a high jump of relatively short distance. Faster runners even have this problem when they exaggerate the penultimate step as well, think of a basketball layup on a fast break.