David Kirsch : (7) " The Swiss ball is such a great tool because it forces you to recruit more muscles in order to stabilize yourself. " - David Kirsch " I like quick and efficient circuit training. " - David Kirsch " What applies when we’re younger maybe doesn’t so much when we get a little bit older. " - David Kirsch " A few push-ups during breaks at work, walking to the grocery store, and opting to use the stairs instead of the elevator are all great ways to exercise. " - David Kirsch " To me, loving your kids means teaching them to make smart choices from an early age – not just handing over a sweet treat. " - David Kirsch " Buffalo meat tastes just as delicious as red meat, but it comes much leaner. Because of its leanness, it also cooks more quickly. " - David Kirsch " If motivation is an issue, I would try to get out of your house to work out, not just go into the basement. " - David Kirsch