Although it's important to find a workout you actually like and will stick to, don't get complacent in the gym — it can stall your progress and cause you to plateau.
"Anything repetitive is bad," she told POPSUGAR. "Your body adapts and stops progressing." She also explained that doing the same thing over and over again is more likely to cause overuse injuries.
If you're lifting weights, focus on your upper body one day and your lower body the next. For cardio, try alternating among spinning, jogging, the rowing machine, or a HIIT class. It's important to have multiple workouts in your arsenal to really see progress.
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