The midfoot is a complex area involving 10 different bones coming together to form more than a dozen separate joints. A sprain in this area can result in aching or throbbing midfoot pain, swelling and bruising. Sometimes the pain will start on the top of the foot and go deeper all the way through to the bottom of the arch. This type of injury can interfere with running and has the potential for serious problems if ignored.
The most common way for an injury of midfoot to occur, is trauma. But it doesn’t have to be the hit-the-foot-with-a-hammer sort of trauma. For a runner, this sort of injury happens when twisting the foot while stepping in a pothole, accidentally stepping off the shoulder, or tripping over a root on a trail run.
Fortunately, this sort of injury is rare from running. However it is common in other accidents. The classic midfoot injury is sustained in an automobile accident while braking. You have your foot on the brake, smack into the car in front of you and all of the force causes the midfoot joints to be dislocated or fractured. The area most often injured is actually a collection of joints called Lisfranc’s joint. For trivia buffs, Lisfranc was Napoleon’s surgeon. These injuries are often misdiagnosed as a “midfoot sprain.”
In 2004, I began a research project in order to determine how accurately different doctors are able to diagnose Lisfranc’s injuries. The results of that study were quite frightening. We found that primary care physicians and emergency room physicians were only able to recognize 1.6 % of the identifiable features of these injuries on x-ray. That means that more than 98% of these injuries could be missed if not evaluated by a foot and ankle specialist.
As a result of this research, I won an award from the American College of Foot and Ankle Surgeons. Since that time I have seen many patients that came into the office having been misdiagnosed. In most cases they bring their x-rays from the emergency department and the injury is visible. It was just not noticed. In every case, the doctor told the patient that it was just a sprain and would get better.
The difficulty is that we know in fact, these will not get better unless appropriately treated.
Pain and tenderness on the top of the foot is relatively common in runners, but this is more often related to irritation of the tendons on top of the foot. This common problem is not that serious, and is easily treated.
In contrast, pain that is worse when standing and twisting the foot, or when running, is worrisome. Any associated bruising is always a concern and may signal a much more significant injury. Without appropriate treatment, continued pain and rapid development of arthritis, with associated destruction of the joints in the midfoot, can occur. This can result in significant disability.
Anytime you have had an injury where you were involved in an accident, stepped off a curb of wrong or stepped into a pothole while running, you should be aware of this possibility. Do not run if you have continued pain. If you are a runner and suspect that you may have a midfoot sprain, it is critical to get evaluated by an expert in foot and ankle care. That way you can get back on the road as quickly and safely as possible.
Dr. Christopher Segler is an author, inventor and award winning foot surgeon with a surgical podiatry practice in Chattanooga. He invented and a patented surgical instrument designed to simplify midfoot fracture surgery and reconstructive flatfoot surgery. He also publishes articles teaching other foot doctors about his methods to prevent pain after foot surgery. You can order a FREE copy of his informative book about common causes of foot pain at http://www.AnkleCenter.com.
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