How hard would you have to hit your chest for it to bruise?

I was just wondering how hard you would have to hit your chest (below your neck area) for it to make bad bruising? Could this be answered ASAP pleaseT

I was just wondering how hard you would have to hit your chest (below your neck area) for it to make bad bruising?
Could this be answered ASAP please
Thanks

or:I was just wondering how hard you would have to hit your chest (below your neck area) for it to make bad bruising? Could this be answered ASAP pleaseThanks

Tags:wondering,bruise,