Calvin Johnson of Detroit Lions suffered nerve damage

Megatron: I feel all right

It's been a season littered with injuries, but Calvin Johnson says his health is improving as time goes on. **More ...**

Calvin Johnson missed Thursday's practice because of a lingering knee injury, but the Detroit Lions wide receiver says that's not all that's bothering him.

Johnson told WXYZ-TV's Tom Leyden that he experienced nerve damage down both arms after taking a hit over the middle during a Week 4 loss to the Minnesota Vikings.

Megatron said he battled numbness and tingling in his arms and hands from a concussion suffered in that defeat. The Lions have denied that Johnson absorbed a head injury against the Vikings.

Johnson wouldn't confirm if he's still experiencing symptoms, but he acknowledged "it's a long season."

Detroit's star receiver hasn't been himself this season. He leads the Lions  with 48 receptions, but his 16 touchdowns from a year ago are a distant memory. Johnson has only one touchdown this season, and it wasn't even thrown by starter Matthew Stafford. He caught it with backup quarterback Shaun Hill in the game.

The Lions have shown promise in recent weeks because they've discovered balance on offense. Detroit is running the ball more and taking heat off the passing game. Johnson sees constant double teams. He's the focal point of every opponent's game plan, making his production in 2011 even more impressive. He's struggling with more than just double coverage in 2012.

Follow Marc Sessler on Twitter @MarcSesslerNFL.

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