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2015.07.11
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カテゴリ:カテゴリ未分類

Overview
A Hammer Toe occurs when the joint of the toes curl down. The reason they curl abnormally is due to a muscle imbalance which results in the tendons becoming unnaturally tight. They are due to Heredity, improper shoes, and Arthritis. There are two types of hammer toes, flexible or rigid. These classification are based on the mobility of the toe joints. A flexible hammer toe is one with a flexible toe joint that allows it to be straightend with your finger. In time a flexible joint may turn into a rigid hammer toe. Normally flexible hammer toes are much less painful than rigid hammer toes. A rigid hammer toe is one with a rigid toe joint, one that is not moveable with your finger. These rigid toe joints can be very painful and limit the ability to move.

Causes
Hammertoe and mallet toe have been linked to certain shoes. High-heeled shoes or footwear that's too tight in the toe box can crowd your toes into a space that's not large enough for them to lie flat. This curled toe position may eventually persist even when you're barefoot. Trauma. An injury in which you stub, jam or break a toe may make it more likely for that digit to develop hammertoe or mallet toe. Nerve injuries or disorders. Hammertoe and mallet toe are more common in people who have nerve damage in their feet, which often occurs with such medical problems as a stroke or diabetes.

Symptoms
A soft corn, or heloma molle, may exist in the web space between toes. This is more commonly caused by an exostosis, which is basically an extra growth of bone possibly due to your foot structure. As this outgrowth of excessive bone rubs against other toes, there is friction between the toes and a corn forms for your protection.

Diagnosis
Although hammertoes are readily apparent, to arrive at a diagnosis the foot and ankle surgeon will obtain a thorough history of your symptoms and examine your foot. During the physical examination, the doctor may attempt to reproduce your symptoms by manipulating your foot and will study the contractures of the toes. In addition, the foot and ankle surgeon may take x-rays to determine the degree of the deformities and assess any changes that may have occurred.

Non Surgical Treatment
Often padding and taping are the first steps in a treatment plan. Padding the hammer toe prominence minimizes pain and allows the patient to continue a normal, active life. Taping may change the imbalance around the toes and thus relieve the stress and pain. Anti-inflammatory drugs and cortisone injections can be prescribed to ease acute pain and inflammation caused by the joint deformity. Custom shoe inserts made by your podiatrist may be useful in controlling foot function. An orthotic device may reduce symptoms and prevent the worsening of the hammer toe deformity.

Surgical Treatment
Surgery to straighten the toe may be needed if an ulcer has formed on either the end or the top surface of the toe. Surgery sometimes involves cutting the tendons that support movement in the toe so that the toe can be straightened. Cutting the tendons, however, takes away the ability to bend the very end of the toe. Another type of surgery combines temporary insertion of a pin or rod into the toe and alteration or repair of the tendons, so that the toe is straightened. After surgery, the deformity rarely recurs.

Prevention
Some different things you can do to help prevent hammer toes from forming and progressing do exist. You can wear supportive shoes to help prevent deformities. Hammer toes are often times related to poor foot mechanics, particularly foot flattening. You can wear custom orthotics prescribed by a podiatrist; orthotics might prevent or slow the progression of hammer toes. You can also avoid shoes with narrow or pointed toe boxes that can compress your toes.






最終更新日  2015.07.11 10:45:43
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