The health benefits of regular exercise have been medically proven time and again; yet according to a new report from the CDC, just 23 percent of American adults get enough aerobic and muscle-strengthening exercise.

There are several reasons why people don’t commit to regular exercise, ranging from a busy lifestyle to boredom with fixed-pace workouts like long-distance jogging. If you’re looking to get significant results with minimal time commitment, high-intensity interval training (HIIT) may be the perfect fit for you. Read more here.