because they have extra muscles in there legs
Depends how high you jump.
they jump so hog high because they need to be able to catch their prey
They have long legs & they have very strong muscles which provide them to jump more high than an original person
Not many people know that jack is actually a ninja
sonic legs can move at the speed of sound which means they are very powerful so he can jump very high with ease
I you feed them a waffle they should jump an inch or so but if you feed them a peanut they will jump a mile high.
Micheal Jordan can jump up to 4 feet high.
Trampoline
I High jump for my school so I would say 2 feet shy of his own height when he starts out.
They can in proportion to their bodies, but they are a small dog, so it wouldn't be as high as some larger dogs can jump.
So they can run away from predators