Study Overpronation

Overview

Overpronation and underpronation describe general foot movements. These terms do not necessarily describe a medical problem with a foot. For example, you can overpronate and not have any problems or symptoms at all. It is important to have your foot structure and symptoms adequately assessed by your prescribing physician and a qualified practitioner such as a Canadian Certified Pedorthist. Once the underlying conditions and mechanical faults are assessed, an appropriate treatment plan including possible orthotic and footwear recommendations can be made.Over-Pronation

Causes

There are many possible causes for overpronation, but researchers have not yet determined one underlying cause. Hintermann states, Compensatory overpronation may occur for anatomical reasons, such as a tibia vara of 10 degrees or more, forefoot varus, leg length discrepancy, ligamentous laxity, or because of muscular weakness or tightness in the gastrocnemius and soleus muscles. Pronation can be influenced by sources outside of the body as well. Shoes have been shown to significantly influence pronation. Hintermann states that the same person can have different amounts of pronation just by using different running shoes. It is easily possible that the maximal ankle joint eversion movement is 31 degrees for one and 12 degrees for another running shoe.

Symptoms

Over-pronation is a condition where the arch flattens out which makes the feet roll inward while walking. This condition is also known as flat feet. It imposes extreme additional stresses on the plantar fascia, a fibrous band of tissue which connects the heel to the forefoot. Over-pronation makes walking a painful experience because of the additional strain on the calves, heel and/or back. Treatment for over-pronation involves the use of specially-made orthotics which offers arch support and medial rear foot posting as corrective measures.

Diagnosis

At some point you may find the pain to much or become frustrated. So what are you options? Chances are your overpronation has led to some type of injury if there's pain. Your best bet is to consult with someone who knows feet. Start with your pediatrist, chiropodist or chiropractor. They'll be able to diagnose and treat the injury and give you more specific direction to better support your feet. One common intervention is a custom foot orthotic. Giving greater structural support than a typical shoe these shoe inserts can dramatically reduce overpronation.Pronation

Non Surgical Treatment

Anti-Pronation Insoles provide a unique foot support system that aligns the lower body. The major cause of foot and leg pain is over pronation (rolling over of the feet) which causes excessive pressure on the muscles, ligaments and bones of the lower body. Running insoles treat the underlying cause of over pronation and prevent future occurrences of the associated foot or leg condition. A project conducted at the NIKE Sport Research Laboratory studied the effects of orthotics on rear foot movement in running. Nine well-trained runners who wore orthotics were chosen as subjects. The results of the study indicated that orthotics reduced rear foot movement by roughly one degree or approximately nine percent of the amount found in runners not using orthotics. The average reduction of the maximum velocity of pronation was fifteen percent. Thus this study indicates that orthotics and insoles control over pronation which will treat and prevent many sporting injuries.

Prevention

Strengthen the glutes to slow down the force of the foot moving too far inward. Most individuals who over-pronate have weak glute muscles and strengthening this area is a must. A simple exercise to strengthen glutes is lateral tube walking across a field/court/room. Place a lateral stretch band around your ankles and move your leg sideways while keeping your feet forward.
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