does dumbell pullovers work the serratus muscle on the side or the rib cage? i think there are a few exercises on that in the arnold book let me take a quick look..........it says to add a twist to your curls but there are also machines to do pullovers i think there is also hanging serratus crunches but i dont know if u have any place where u can hang from in your house but what u do is just sway the body side to side in a controled motion. i think if your bench doesnt work u can also do this on your bed (the dumbell pullovers) i think the point of the exercise is just to stretch them out lightly and it slowely developes them but to also put a little bit of resistance in with them also