GUEST POST: Strength coach, researcher, and shoulder guru Eric Cressey details some of the most common problems facing the body's most complex joint, and how to address them. Learn how to bulletproof your shoulders and exercise smarter today.
Sure, lap for lap, running burns more calories than walking. But research suggests a super-long (or super-fast) walk might be just as good as a short jog. Read on to find out which pace is the best fit for you.