"Robert is definitely healthy," he said, per The Washington Post. "Not from my opinion of studying X-rays, but from guys who know more than just football -- doctors. They say he's healthy and he looks healthy to me. I think it's just natural.
"Anybody playing with a knee brace and coming off their first year on the ACL, he might not be quite as explosive, or quite as fast -- just like anybody who's torn their ACL. But in terms of health, when the doctors say somebody's healthy, I definitely feel like he's healthy."
When Griffin has trusted his surgically repaired knee, he's looked more explosive as the season has progressed. However, the effect of the second-year quarterback missing the offseason is being seen on the field.
Shanahan said some of Griffin's ground struggles are more of a product of his evolution as a quarterback than anything medical.
"It's just a feel -- when to stay a passer, when to stay a runner, guys who have an option to make plays with their legs, they get caught in between a lot," Shanahan explained. "Yeah, there's a time and pace for it. Sometimes the defense gives it to you, and sometimes they don't. And when they don't, you've just got to get more comfortable as a passer, stay looking downfield and get rid of the ball."
The offensive coordinator -- who has been under fire in the D.C. area -- is correct that RGIII's evolution as a signal caller is still in its incubation stage. This offseason will be a crucial one for Griffin. The question is if Shanahan and his father will be guiding the offseason program.