'Mythic Quest' star Rob McElhenney bench presses 345 pounds and breaks down the diet and workout combos he used to transform from Mac, to Fat Mac, to Jacked Mac in It's Always Sunny in Philadelphia. (Spoiler: it involved a lot of ice cream.) Watch more Men's Health 'Train Like a Celebrity' videos HERE: www.youtube.com/watch?v=36uYxxuEx-Q&list=PLoA8R7df04hQ8qbEAGtMMLx-By3aDBHlt ROB MCELHENNEY 'LOOK LIKE A FIRE HYDRANT' WORKOUT • Bench Press (max weight 345 lbs!) • Incline Dumbbell Press (3 sets of 8-10 reps) • Machine Cable Fly (4 sets of 10 reps) SUBSCRIBE to Men's Health: bit.ly/3iM0V4U MEN'S HEALTH SHOWS: Gym & Fridge: www.youtube.com/watch?v=cHvWKOUBL7A&list=PLoA8R7df04hQXeGWljZXvLXokEs7sPtoF Train Like a Celebrity: www.youtube.com/watch?v=36uYxxuEx-Q&list=PLoA8R7df04hQ8qbEAGtMMLx-By3aDBHlt Eat Like a Celebrity: www.youtube.com/watch?v=JQVoDk6gI9k&list=PLoA8R7df04hRCJuZgCGlvRdqEV2JO4s1_ Men'$ Wealth: www.youtube.com/watch?v=6Bu-n9aGN4U&list=PLoA8R7df04hS-SZbitS74CznlvONXTUfF Vs The Internet: www.youtube.com/watch?v=gXiJ-VeN5T8&list=PLoA8R7df04hTvGKtrlEYYNBUHEyqMUdqF Men's Health Official Site: www.menshealth.com/ Men's Health on Facebook: www.facebook.com/MensHealth/ Men's Health on Twitter: twitter.com/MensHealthMag Men's Health on Instagram: www.instagram.com/menshealthmag/ Men's Health on Pinterest: www.pinterest.com/menshealthmag/ #RobMcElhenney #MythicQuest #ItsAlwaysSunny

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