Regardless of size, they are stronger, more flexible and have greater endurance. Yet, they do not push weights or train on mechanical devices. They do it by working with their own body weight. They master their weight by stretching from all directions and from all angles.
Animals also run, jump, climb and wrestle.
If an athlete wants to get the most out of himself, it is a good idea to copy the way of the animal. I don t blame you. I once believed the same. Then I met Karl Gotch, a 1948 Olympian who is revered as the God of Pro Wrestling in Japan. Before Karl taught anyone in Japan a single hold, the athlete had to get in condition.