News Joe Manganiello: My 8-Pack Workout! By Krista Wick 5:32 PM PDT, June 17, 2013 How does True Blood hunk Joe Manganiello cultivate and maintain his signature 8-pack? The sexy werewolf shares his grueling workout in this month's issue of Men's Health!Pics: Hollywood's Sexiest Shirtless Men! Twice daily "really heavy cardio" workouts six days a week combined with "a really strict diet" is Manganiello's go-to routine engineered to keep his bod in tip-top shape for the HBO series.And for important shoots, such as this one where he covers the August issue of Men's Health, the actor steps up his workout even further with power lifting and Olympic-style weightlifting. Pics: 'True Blood' Cast's 10 Best Premiere Party SnapsClick the video to hear more from Manganiello and see incredible new shots from the magazine spread, out now!