muscle and if you want pretty muscles, do the single movement training and if you want to be a competitive athlete, you have to really hit. bill: we save curls for the girls! martha: i wants pretty muscles and compete! and, give us a sense of, what can you do at home? i think of the balance sort of like the squishy thing you stand on. yes, i love that, standing on one leg and the funny thing is you do at home, on the phone, doing dishes, at your computer, stand up and stan d on one leg and squat lower in that leg and make it more challenging on your muscles and i loved push-ups and always loved the pilates plank, a great total body workout and great for the core and abs. martha: ike a big push-up fan. bill: and quick question, you say the core, is that. is that here to stay or some sort of fad when it comes to exercise. it got overdone the core training, the abs and the lower back and the middle of the body