Safety Brandon Meriweather walks off the field after suffering a concussion during a helmet-to-helmet hit Sunday. (Tom Lynn/Associated Press)

Redskins strong safety Brandon Meriweather returned to the practice field on Wednesday after leaving Sunday’s game with a concussion and going through a series of tests Monday and Tuesday.

It wasn’t immediately clear how much of a workload Meriweather received. But he took part in the first 20 minutes of practice, which is dedicated to positional drills and open to reporters.

Meriweather did not speak to reporters during the Wednesday morning open locker room session.

Meriweather suffered his concussion 30 seconds into the second quarter while trying to tackle Green Bay running back James Starks along the sideline. Meriweather came in from the side, and his helmet struck Starks’ helmet. Meriweather went down in a heap and did not move. Trainers immediately rushed across the field to tend to him. After several minutes, Meriweather sat up and eventually walked off the field under his own power. He headed straight for the locker room flanked by a trainer and team doctor. He was diagnosed with a concussion shortly after.

Meriweather in the first quarter knocked running back Eddie Lacy out of the game with a helmet-to-helmet hit. Meriweather is expected to receive a fine from the league.

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What’s ahead:

● The Redskins are practicing now. Mike Shanahan and Robert Griffin III address reporters afterward.

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