Philadelphia Eagles quarterback Michael Vick (7) walks on the sideline after being injured in the second half of an NFL football game against the Atlanta Falcons at the Georgia Dome in Atlanta on Sunday, Sept. 18, 2011. (AP Photo/John Amis)
September 22, 2011 8:39:27 PM PDT
PHILADELPHIA - September 22, 2011 --
Eagles quarterback Michael Vick returned to practice Thursday, just four days after he suffered a concussion against the Falcons in Atlanta.