'England Sevens star Marcus Watson and England Sevens strength and conditioning coach Dan Howells take us through a trunk conditioning session'
Tags: fitness , Workout , exercises , training , england , rugby , Physical Fitness (Field Of Study) , Physical Exercise (Word) , England Rugby , England National Rugby Union Team (Sports Team) , RFUTV , Marcus Watson
SEE ALSO: zin �� , badshah , sixpack , yank , boost metabolism , exerc , figure , vegan , prot , Khloe Kardashian
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