Back | One-arm, One-leg Bodysaw (OMG) This is amazing. Ben Bruno bringing the heat with a One-arm, One-leg Bodysaw. Great exercise for anterior core (ab) strength, back health and overall badassery. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.