Harvin's migraine, Berrian's knee problematic

The Vikings can't catch a break in their receiving corps. Percy Harvin had a recurrence of migraines, according to head coach Brad Childress, and Bernard Berrian is now limited with a knee injury.

The Vikings just can't find any stability in their stable of receivers.

They weren't able to trade for San Diego receiver Vincent Jackson because the Chargers wanted more than any NFL team was willing to offer. While the Vikings brought in another big-bodied receiver via free agency in former Eagle and Colt Hank Baskett, there was more concerning news in the receiver corps.

This time, the disappointment was on the injury report.

Sidney Rice is already out until at least late October after having hip surgery in the preseason, and their next best receiver, Percy Harvin, re-aggravated his own hip injury in Sunday's game against the Miami Dolphins.

But even that wasn't the reason Harvin missed practice on Wednesday. Instead, it was another bout with migraines that sidelined him.

"He's ill," Vikings coach Brad Childress said after Wednesday's practice, confirming that it was migraines that caused Harvin to miss practice.

Officially, Harvin was listed on the injury report as hip/illness, but his absence on Wednesday was due to the onset of a migraine, Childress said.

"It had nothing to do with his hip today. He was twinkle toes. He was dancing around when he was in there," he said.

Harvin visited the Mayo Clinic in Rochester, Minn., last year to try to cure the migraines or minimized their effects, but he said a collapse on the practice field on Aug. 19 this year and subsequent trip to the hospital was caused by a reaction to medication for the headaches, not a migraine itself.

Childress said the receiver's trip to the Mayo Clinic last year was to look at his health issue from several angles.

"It was global," Childress said. "They don't have a cure, but what's your exit plan, what's your strategy? How do you take it when you feel one ramping up and how do you take it when you're in the middle of it? How do you get it to go away?"

Harvin was confident last week that a diagnosis of sleep apnea would cure the migraines.

"Hopefully this sleep thing will be the No. 1 key and I'm feeling great," he said last Monday. "Just listening to the doctors break it down, the sleep apnea thing, I've noticed myself jumping out of my seat since I was younger. So they're real confident in that's what it is, so we'll just stick to the plan and follow what they say."

During an overnight sleep study, Harvin said doctors found that his heart temporarily stopped several times. Since then, he said he had been sleeping much better, but Wednesday's migraine showed the complexity of the issue.

The team also got more disconcerting injury news when Bernard Berrian was limited at Wednesday's practice with a knee injury, joining cornerback Cedric Griffin and linebacker Ben Leber as limited participants.

The bit of encouraging injury news came at the cornerback position, another spot where injuries have plagued the team. Rookie Chris Cook was a full participant in a Wednesday practice for the first time since meniscus surgery following the third preseason game.

Cook has been inactive for the first two regular-season games and, despite running before Sunday's game, he was told he wasn't playing.

"I feel pretty good," Cook said Monday. "As of right now, it's still day to day. I feel good. I'm just waiting on the trainers to give me a go. Hopefully this week will be the week."

Cook said he can do everything normally now and feels good changing direction. He put himself at about 90 percent.

Cook joined defensive tackle Jimmy Kennedy (knee), offensive tackle Bryant McKinnie (finger), center John Sullivan (calf) and QB Brett Favre (ankle) as full participants.

The Vikings' opponent on Sunday, the Detroit Lions, were missing wide receiver Nate Burleson (ankle), safety Louis Delmas (groin/biceps/calf), linebacker Zack Follett (concussion), guard Stephen Peterman (foot) and quarterback Matthew Stafford (shoulder) at Wednesday's practice.

Defensive end Cliff Avril (knee/finger), safety C.C. Brown (forearm) and linebacker DeAndre Levy (groin) were limited for Detroit.

Tim Yotter is the publisher of Viking Update. Follow Viking Update on Twitter and discuss this topic on our message boards. To become a subscriber to the Viking Update web site or magazine, click here.

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