It really depends on how high the knees come up to hit the jump. A true 39 inch jump , the legs need to stay pretty much straight and you have to descend onto the box.
He's a friend of mine who posts here all the time. Lets all just chill.
For the record, it's my log, I post all sorts of thoughts, pics..etc so there may be times you may not like what I post in my log. If that is the case, just glance over it or don't bother reading the log. I use this mainly as a motivation thing and a place to write my thoughts and share ideas.