You're sure to love this workout. It starts with quick cardio intervals to burn some calories and belly fat and ends with a focus on shaping some sexy shoulders. And it only takes 30 minutes! Start with 20 minutes on the treadmill, playing with both speed and incline (or try this elliptical workout [1]). Then end your sweat session with 10 minutes of arm work with celeb trainer Anna Kaiser.
Treadmill Workout: 20 Minutes
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Arm Workout: 10 Minutes