McQuaid/By S. Bradley

PHILADELPHIA — Bruins defenseman Adam McQuaid was taken to Jefferson Hospital for evaluation during tonight’s second period.

The rookie was injured when he tried to hit Flyers forward Mike Richards in front of the Boston net, missed and crashed headfirst into the end boards. McQuaid was helped off the ice.

Game 2 of the Eastern Conference semifinal series between the Bruins and Flyers was tied at 2 after two periods at the Wells Fargo Center.