Pronation is a normal motion which occurs after heel strike during walking. As the foot moves towards toe off, the foot naturally should move from an outside path towards the midline of the body
stopping at neutral in ideal conditions. Overpronation is the foot?s motion past neutral and moving excessively toward the bodies midline. Overpronation can be caused by a number of factors including
internal rotation of the femur or thigh bone, internal torsion of the tibia or shin bone, being genu valgum or ?knock kneed?, as well as fixed deformities of the ankle and forefoot. The overpronating
foot is often hypermobile meaning it has excessive range of motion in the foot joints.
Over-pronation may happen because the tissue that attaches to your foot bones is loose. You may be born with this problem or it may result from injuries or overuse, like from too much running.
When standing, your heels lean inward. When standing, one or both of your knee caps turn inward. Conditions such as a flat feet or bunions may occur. You develop knee pain when you are active or
involved in athletics. The knee pain slowly goes away when you rest. You abnormally wear out the soles and heels of your shoes very quickly.
Your healthcare provider will ask about your symptoms, medical history, and activities and examine your feet. Your provider may watch you walk or run. Check the motion of your feet when they strike
the ground. Look at your athletic shoes to see if they show an abnormal pattern of wear.
Non Surgical Treatment
The way a foot orthotic works is by altering the weight-bearing surface of the foot. The simulated foot improvement is only possible when standing still with full weight applied. Orthotics are of
little help through most of the actual walking cycle. observationPatients may experience some symptom relief, but the orthotic cannot correct the internal osseous misalignment. Over-the-counter foot
orthotics are usually of little help and wear out quickly. Custom-made foot orthotics, obtained through your doctor's office, are generally expensive. Though they last longer and have less chance of
ill-effects than OTC brands, they still need to be replaced often. Over a lifetime, an individual can spend several thousands of dollars in total costs associated with orthotics and see little or no
results. This is because orthotics only work when you are wearing them and do not treat the cause of the problem. In many cases, the external pressure points created by orthotics can cause more
problems than solutions. Blisters, sore feet, sore joints and many other long-term complications can arise as a consequence of wearing orthotics.
Subtalar Arthroereisis. The ankle and hindfoot bones/midfoot bones around the joint are fused, locking the bones in place and preventing all joint motion. This may also be done in combination with
fusion at other joints. This is a very aggressive option usually reserved for extreme cases where no joint flexibility is present and/or the patient has severe arthritic changes in the joint.