pain

When working out often, there can be a tendency to push beyond ones comfort zone. Whoever got in great shape by throwing in the towel early, once muscle fatigued set in, right?

More than 20 million of whom have what is known as "high-impact pain" where the pain is so severe, it can limit everything from activities of daily living to daily exercise.

Nearly 65 million Americans report a recent episode of back pain. Some 16 million adults experience persistent or chronic back pain, and as a result are limited in certain everyday activities.

An estimated 20 percent of Americans (50 million adults) are dealing with chronic pain. This is according to statistics from the Centers of Disease Control & Prevention.