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How Oscar Winner J.K. Simmons Got Ripped for His Role in 'Whiplash'

"Extra's" Renee Bargh was with Oscar winner J.K. Simmons at SHIFT fitness studios in L.A. to see how the actor got ripped and in shape for his role in "Whiplash."

J.K. also chatting about life as an Academy Award winner, and his upcoming movie with Ben Affleck and Anna Kendrick.

The two were also joined by trainer Dana Perri who created the SHIFT physical fitness program. Dana talked about the program and put Renee through the ringer so she could experience what J.K. did to get fit for the movie. Watch!

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