If you are motivated to simply lose weight with exercise, aerobic training is most likely your best choice. However, if your goal is to sculpt your body shape you might want to cross train.
Researchers at Duke University researched whether aerobic exercise or resistance training with weights, or a daily routine incorporating both would lead to the most weight loss. They divided a group of 234 overweight adults into three training groups: The first group performed aerobics only, the second group participated in resistance workouts, and the remaining group exercised using a combination of both. A total of 119 participants completed the study. Results showed that those in the aerobic group trained for an average of 133 minutes per week and lost weight; the resistance training group worked out for approximately 180 minutes per week and gained weight-they replaced fat with muscle, which is denser than fat. Participants who did both types of exercise didn’t lose as much weight as those in the aerobic group but had the largest decline in waist circumference. The study was published in the December 15, 2012 issue of the Journal of Applied Physiology.
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