(CNN) If you're like most Americans, you've made getting more fit and losing weight your New Year's resolution to kick off 2017. The most common resolution -- made by almost a quarter of every person making one -- involves increasing fitness and activity. As a sports medicine physician and fitness class instructor, I have found clear strategies for success in maintaining fitness goals all year. Newer evidence suggests that if you can't make to a group in person, having a virtual fitness community can increase exercise compliance . When you set a goal, preferably one just slightly outside your comfort zone, you're much more likely to stick with your fitness program.

Source: CNN January 11, 2017 09:28 UTC