If the shoe fits, it's OK to wear

Too many people choose fashion over function when purchasing running shoes, not realizing that poor-fitting shoes can do more than hurt their stride; they can also lead to pain throughout the body. Because footwear plays such an important role in the functional biomechanics of the human body — especially for runners and other athletes — choosing the right shoe can help eliminate pain in your back, hips, knees and feet, says the American Chiropractic Association.

“Your feet are the foundation of your body, and if they are not properly supported you can have problems anywhere from the bottom of...