All dogs have muscles, otherwise they wouldn't be able to move.
the pitbull terrier is NOT the strongest dog ever but the strongest dog ever is the great dane(only full grown though).
Get a real pitbull female dog and the rest of the work is done by them.
You can breed any dog with another dog.
American pitbull terrier
The only way is testing the dog with another pitbull and dogfighting is illegal so don't.
pitbull
pitbull is stronger than k9
it is never recommended to cross a pitbull with another breed of dog for temperament issues.
Get a real pitbull female dog and the rest of the work is done by them.
pitbull she has a pitbull
american pitbull terrier strongest dog there is
the pitbull