I remember you saying he's a kitten. Kittens are like toddlers, and sometimes have rather wild behavior, which it totally normal.
Like Ashley said, why is he so limited? Because he is not allowed, he may be frustrated. Try playing with him more to help the energy taken out on "jumping".
Like Ashley said, why is he so limited? Because he is not allowed, he may be frustrated. Try playing with him more to help the energy taken out on "jumping".