Oprea suggests mixing the two if you're trying to lose weight. For example, she might recommend a week with two days of full-body strength workouts, four days of cardio, and an active recovery day. 10,000 steps a day, every day. During your full-body strength sessions, reach for the heaviest weight with which you can complete.
The beauty of creating your own plan is that you can cherry-pick the workouts you find fun, which will make you more likely to stay on track. (Exhibit A: This #GoalCrusher who lost 40 pounds after taking hula hooping.) "A lot of the time people get bored and they stop," says Oprea. "So, find something that you can change regularly and that you love. "Whether you're penciling or creating a gym routine plan, make sure you're working out?"