ASHBURN, Va. — Washington Redskins tight end Jordan Reed estimated he has only 30 per cent range of motion in his sprained left shoulder but hasn't ruled out playing Sunday at the Arizona Cardinals.

Reed didn't practice Monday with what he said was a Grade 3 sprain of the AC joint in his left shoulder. That means he tore two ligaments in that shoulder during a 31-26 loss to the Dallas Cowboys on Thanksgiving, though he returned and played through pain.

After struggling to put a basketball jersey on over his head, the Redskins' top offensive target said he was having discomfort that was making daily tasks and sleeping difficult. The 26-year-old decided against putting his shoulder in a sling because he's trying to keep it strong and moving in the hopes of getting back on the field when the Redskins (6-4-1) visit Arizona.

"If I go out there I've just got to make sure it's ready to go," Reed said. "They're not going to try to put me out there unless I've got strength in my arm and I can move it and things like that. If I'm able to do that I'm going to play, if not then I can't play."

Reed leads Washington with 59 catches and has 630 receiving yards and five touchdowns this season despite missing two games with a concussion. Even with the injury he had 10 catches for 95 yards and two touchdowns against Dallas.

In that game, Reed was reduced to being only a receiver because his shoulder wasn't strong enough to block. That could be the case against the Cardinals (6-4-1), too, even if Reed can withstand the pain of lifting his arm to make catches.

Reed said rest, not surgery, was the only option and doesn't think playing through the injury will make it worse.

"I don't think it could be hurt any more worse than it is right now," Reed said. "It's just one of those things where I might have to go through the pain for a little bit."

Receiver DeSean Jackson understands. Having previously dealt with a sprained AC joint in his shoulder, Jackson called it "a pain in the butt" and a tough injury that can have significant effects.

"It's just different movements, raising or reaching for the ball or trying to block," Jackson said. "It's just all types of different areas or angles that you move your shoulder that is going to affect you with that type of injury."

Jackson is dealing with a rotator cuff injury in his left shoulder, which he tweaked while running a route at practice Monday. He missed the Redskins' Nov. 13 game versus Minnesota with the injury but has resigned himself to gutting it out until the season is over.

He'll continue to rest it and get treatment as needed.

"It's something that I've got to deal with throughout the rest of the season," Jackson said. "It's an injury that's really not going to get better while I'm playing. It'll be all right."

NOTE: RG Brandon Scherff (ankle) did not take part in individual drills at practice Monday, the Redskins' first workout since the Dallas game.

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