Five essential exercises.
Source Citation (MLA 7th Edition)
Millado, Nate. "JC Cena unchained: John Cena has already notched a world heavyweight title and a hit rap album. Now WWE'S king of the ring wants to add box-office champ to his belt." Men's Fitness Apr. 2009: 66+. Military and Intelligence Database Collection. Web. 31 Mar. 2013.