Hello, at a recent class, the trainer said my 11 week old male pup walks like a "Hyena." to me, he walks normally, with no issues at all. But the HD bug is in my ear, so I'm posting a vid for opinions.
It's a puppy walk - keep it lean, conditioned, avoid activites with heavy impact on joints until it is full grown. If you are still concerned, get xrays at 6months+ - you can get a prelim reading or send it off to OFA.