Closer shot of the Leg. 4 Months old.
We changed her food from Victor Hi Pro Plus, which seemed to nutrient Dense, to Royal Canine Giant Junior, which from the Nutritional Guide, seemed on Par for her Nutrient needs.
It occurred to us that our puppy was growing to fast, and given that her front legs bare most of her weight. We needed to slow the growth, and make some lifestyle changes for her.
We added traction mats over all our hardwood floors, to prevent her paws from slipping sideways.