121213 Atlanta: Lisa Teer lifts weights during a class at CrossFit Atlanta on Thursday, December 13, 2012. CrossFit training combines strength and aerobic exercises into a high intensity workout. Jonathan Phillips Special
121213 Atlanta: Lisa Teer lifts weights during a class at CrossFit Atlanta on Thursday, December 13, 2012. CrossFit training combines strength and aerobic exercises into a high intensity workout. Jonathan Phillips Special