bodyfx_fitness: I LOVE doing back extensions this way! Squeeze glutes as pulling body up. - great pump in glutes and low back. Use just bar at first until you get used to the movement. #leaveitallatthegym #insatiable #wpd #womensphysique #nationalwpdcompetitor #cbbf #ifbb #canadianmuscle #livelifelarge #2016contestprep #womensphysiquedivision #beINSATIABLE #conquer #limitless #unstoppable