Go all out three times a week for 30 minutes and start seeing some killer results! Here’s how: http://muscle.ms/3-30min pic.twitter.com/XuB1MxG3CG

Go all out three times a week for 30 minutes and start seeing some killer results! Here’s how: http://muscle.ms/3-30min 

First seen here > https://twitter.com/Muscle_Strength/status/871864403775324161

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