I'm relatively tall, but I've never been able to jump very high. I can't touch the bottom of a basketball net.
High jumping was one of my least favorite units in P.E. class-- you have to perform all at once, and there's no room for mild failure. You succeed all the way or you don't.
Today, I had a high jumping experience for the first time in a while. I was in the park looking for oak galls and saw some on a branch just out of reach. A running leap off a slight incline was involved, but I got the galls in the end. Maybe I'll try for a basketball net next time I see one.