To kind of work the muscle at work within your pain threshold I've never had any serious back injuries but I've had some nagging injuries and toward muscles over the years like have few years back actually tore my lacked and I’d for both biceps a last  Superior Muscle X   year as well again weird exercise weird stuff wasn't even related to gym training I what I might my most recent bicep tear was actually a surfing accident I was down a vacation in Mexico last year trying to surf you know actually got up you know I could get up on the board few times you know and itself but bottom line I wiped out onetime and I was still holding on my board I got swept up in the whitewater and as the water took the board it jerk merriment pop might right bicep so that set me back a bit but when it came to re having that injury I started off literally I was ...

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