no, they were developed by exercise therefore it isn't a genetic trait.
it keeps the muscles strong becuase they and allways being used if you exercise and the joints and flexible because they and always being moved about
eat right, exercise
Eat healthy, exercise, and build your muscles
When exercise is done the muscles are broken down. The muscles are then repared back stronger.
it depend on what genes you inherited from them. however if they achieved it through exercise, you too must try to exercise.
Exercise will help your muscles get stronger, but strong muscles do not neccessarily have to be large.
The answer would be exercise
"really buff" means that you have well-developed muscles and that you are strong.
its can give you strong heart :) and give you a lot of energry hahaah
Your muscles are growing to make you strong and you've been working them hard
Astronauts have work out machines to keep their muscles strong. They exercise every day.
Probably because when people get strong they do exercise they are healthy. and remember this why is protein important? Because it gives us energy and helps build muscles!