You can still do cardio to boost your metabolism and/or change your body composition, as it’s another way to burn extra calories.
For instance, a 150-pound person burns 102 calories during 30 minutes of moderate weight training. But they would burn 340 calories during a 30-minute run at a 10-minute per mile pace, according to ACE.
Many exercisers combine cardio and weight training to get the best of both worlds. For example, three days a week, you might do a 50-minute moderate-intensity run. Then, on two or three non-cardio days, you could do a full-body weight-training routine. This schedule allows you to meet physical activity recommendations and still have a day or two to rest.