Week 4 - Cardio 12 Week Challenge | Muscle Mass Transformation

Want more energy & motivation? I made a free resource, included are the top 3 supplements I use everyday for energy and motivation: http://www.thehealthygamer.com/shortcut-to-your-goals You're watching the 12 Week Healthy Gamer "Get Jacked" Challenge! This time we cover cardio! You can follow Joe's progress with fitness and League @ Twitter: @healthygamerjoe Twitch: twitch.tv/healthygamerjoe Sources for this week: Jack Jones!! bodybuilding.com/fun/sclark85.htm bodybuildng.com/fun/ask-the-muscle-prof-best-cardio-for-preserving-mass.html http://circ.ahajournals.org/content/107/1/e2.full - http://www.fitmole.org/sprinters-vs-marathon-runners/