included here to explore ways to prevent these injuries as well as new medical advancements we have lauren snowdon who is the clinical manager at the kessler institute for rehabilitation doctor david feldman is the director of hip surgery at englewood hospital and medical center jodi poskitt has been with us before back by popular demand she is a aertified fitness instructor and finally walter nolan underwent hip replacement surgery in 2010 and 2011 and also knee? i had a knee in between the two hips you want to disclose anything else walter? [laughter] is that it for right now? nope that's it for now terriffic i want to thank and by the way also did some personal training for many many years as well in your career doctor here's the question as we keep information up throughout this program that is valuable whether you're a baby boomer or not it's important information and those who are not yet will be and you said right before we got on the air doctor part of the problem is that some of us in this category baby boomers i know i'm also a baby boomer define baby boomer before i ask you the loaded q