aerobic exercise

  • Are Sit-Ups Actually Bad for Your Back?

    Are Sit-Ups Actually Bad for Your Back?

    If you’ve ever trained for a military fitness test or been made to do the presidential fitness test in gym class, you know the sit-up. Somebody holds down your feet, and you sit up as many times as you can before the test is over. But then again, you may have also heard that sit-ups…


  • Why It’s More Than OK to Walk During Your Run

    Why It’s More Than OK to Walk During Your Run

    Anyone who claims that walk breaks don’t make you a “real” runner is not only a weird jerk, but simply incorrect. The walk/run combination is a legitimate strategy used by runners of all levels. Whether your goal is to gradually build distance, or to conserve energy to finish a race strong, or to convince yourself…