Channing Tatum flexed his muscles during an appearance on America's The Tonight Show Starring Jimmy Fallon on Friday (06Jun14) after he was challenged to an arm wrestling match by the Tv host. The two pals teased one another prior to the showdown by boasting about what they planned to do if they won, but it was the Magic Mike star who emerged triumphant. The actor also showed off his talent for beatboxing on the show by teaming up with rapper Black Thought from the show's house band The Roots to perform an impromptu rhyme.