Are you tired of plodding along on the treadmill everyday after work? Do you love cardio and yoga, but don't have time for both? Do you want to get into shape, but don't know where to start? Well, look no further, because these seven exciting, sweat-inducing classes will have you asking, "Can I go seven more times this week?"

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Part primal movement, part yoga, this class is for you if you need to de-stress, but regular Hatha or Iyengar puts you to sleep. It's fast-paced, calorie-burning and you get to aggressively slap the floor a lot (and who doesn't love that?). It will be sure to have you saying, "nah-ma-stay." Image via @butiyoga

Always dreamed of being a ballerina with rock hard abs? Then try a cardio barre class. You've got a lot of options — you can take it at one of the well-known studios like Pure Barre or CARDIOBARRE, find an independently taught class, or even find a video on YouTube! With a multitude of strengthening micro-movements, your abs be rock solid — and so will every other part of your body!

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Are you that person who can't decide on which exercise class to sign up because you like a little of everything? Then Yoga Booty Ballet, or YBB, is the perfect class for you. Started by Los Angeles fitness mavens and owners of Swerve Studio in West Hollywood, Gillian Marloth and Teigh McDonough, it combines meditation, cardio dance, strengthening booty exercises, ballet and a yoga cool down at the end. It's bound to be a brilliant, booty-tastic, time.

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HIIT, or high intensity interval training, is all the rage for burning mega calories in a short amount of time. If you're up for short stints of intensive cardio exercise with quick recovery periods in between, it will have wonderous effects on your cardiovascular and metabolic systems. And hey, Olympic speed skaters swear by it!

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