Conditioning and pup don't belong in the same sentence. As they grow older, they will grow into the physique given to them by their genetics, given you exercise and feed them quality food. Don't stress a pup's joints, they have a long way to go before being completely mature.
Good Post Wheezie, and Bahamutt.
Take it easy on your pup. Let them have fun, they'll be in great shape if you just let them be puppies
GO HARD OR GO HOME
RIP LOCA, YOU WILL NEVER BE FORGOTTEN