A team spokesman confirmed that the three-time Pro Bowl quarterback will take part in a pre-draft camp for veterans.
Hasselbeck missed nine games last season with a bulging disk in his back. In October, a specialist told the 33-year-old quarterback that if nothing else happened to his back, he should be fine by February and would not need surgery.
Coach Jim Mora will be running his first practice since taking over for Mike Holmgren in January.
Copyright 2009 by The Associated Press