15-Minute Full-Body HIIT Challenge With Julia Brown

Challenge yourself with an intense HIIT workout that will work your entire body. In just 15 minutes, fitness trainer Julia Brown will make you sweat with an energizing warmup and intervals of lunges, squats, and mountain climbers. You won't need any equipment for this high-energy routine, just plenty of space and a positive attitude to take on this challenge!

Julia's outfit: Lululemon

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