How does Joe Manganiello manage to stay in such incredible shape? The True Blood hunk reveals all with tips from his new fitness guidebook, Evolution: The Cutting Edge Guide to Breaking Down Mental Walls and Building the Body You’ve Always Wanted! Then, Rachael and co-host Regis Philbin invite him to play a “High Striker”-inspired game of “Show Joe Muscles,” in which he flexes his strength while answering revealing questions from our viewers! (He takes his blazer off to play, so ladies, you'll want to watch!)