Add some muscle to those skinny legs with these 4 intense supersets that will have you crawling out of the gym: http://muscle.ms/4Legs_ pic.twitter.com/1UILC2hnLo

Add some muscle to those skinny legs with these 4 intense supersets that will have you crawling out of the gym: http://muscle.ms/4Legs_ 

First seen here > https://twitter.com/Muscle_Strength/status/859759242076712965

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