New year, same resolutions. Whether it's to hit the gym more, get up early for that morning run, or actually try out the whole paleo thing, every January we all have some health goals to live up to. What better way to kick start your "new year, new me" mentality than by finally trying out a new and exciting workout? These 5 NYC classes are sure to get you out of your holiday rut and kick your butt all the way through to bikini season.