5'7 140lbs, athletic lifestyle, 20s, gone through 3 BA, have 800cc under muscle since sept 2015. I read too many different answers regarding if doing heavy chest work out will damage my implants. Does it cause displacement? I already know that one should start working out slowly after 4-8weeks post op but im nearly 1 year post op - can i lift as heavy as i want? why and why not?