the personal trainer has worked on arm and leg strength in his quest to do a three hundred sixty degree loop at the fair. shot long make it because i have stamina and motivation jumping power and i really want to. his opponent is relying on brain power to reach the goal danielle is in his fourth year of physics studies. he calculates the ideal motion sequence involved in looping the loop. his theory is that completing a full turn is a question of the body center of gravity and increasing leverage at just the right moment. is about it and as soon as i reach a certain speed moving in this direction i will have shortened the arm of my lever