Joe kicks off this week's show by announcing the winners of his latest iTunes Review Contest...and he also provides some insight on the not-so-fun week he's having. After the introductory talk, Joe answers 4 listener questions. Topics include: Joe's favorite caffeine-free pre-workout supplements; The 3 most important genetic factors affecting an athlete's sprinting speed; Is it possible to build muscle by lifting light weights EXCLUSIVELY; Is bench pressing with a big arch beneficial (for healthy non-powerlifters) if the goal is to get bigger and stronger?