Lions’ bulked-up Jonah Jackson adds martial arts to offseason training

But he knew there was a lot of room to improve, and remained in Detroit to get in more work with the coaching staff than almost anyone else on the team. He added about 10 pounds of good weight in the strength program, then used his off days on Tuesdays and Thursdays to get in some martial arts training with assistant strength and conditioning coach Morris Henry.

NFL football: Detroit Lions vs. Washington Football Team – November 15, 2020

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