\[RELATED: Complete Penguins vs. Capitals series coverage\]
The center did not play in Game 4 on Wednesday after he sustained a concussion in Game 3 on Monday.
Pittsburgh, which lost Game 3 and won Game 4, leads the best-of-7 series 3-1 and will advance to the Eastern Conference Final with a win.
Crosby, the Penguins captain, did not participate in an optional morning skate and was unavailable for comment, but he went through his usual game-day routine, including playing soccer in the hall.
Crosby was injured when he was cross-checked in the head by Capitals defenseman Matt Niskanen in the first period of Game 3. Crosby then skated for three straight days and took part in a full-contact practice Friday.
"My experience of watching players go through [recovery] over the years, you know, they're all unique in their own way," Pittsburgh coach Mike Sullivan said. "Some recover quicker than others."