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2015.07.11
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カテゴリ:カテゴリ未分類

Overview
Generally a hammertoe or mallet toe is caused by wearing high heels or shoes that are too small around the toe area, so it?s no surprise that it is mostly women who suffer from them. A Hammer Toe has a bend in the middle joint of the toe whereas a mallet toe has a bend in the upper joint of the affected toe. The way someone walks (gait) can also lead to the formation of hammertoes and mallet toes as can overuse and injury. Sometimes a deep blister will form over the bent joint and often after some time calluses and corns will develop on the affected toe joint. People with arthritis, diabetes or neuromuscular conditions are also more likely to develop a hammer toe or mallet toe.

Causes
It is possible to be born with a hammer toe, however many people develop the deformity later in life. Common causes include tightened tendons that cause the toe to curl downward. Nerve injuries or problems with the spinal cord. Stubbing, jamming or breaking a toe. Having a stroke. Being a diabetic. Having a second toe that is longer than the big toe. Wearing high heels or tight shoes that crowd the toes and don?t allow them to lie flat. Aging.

Symptoms
The symptoms of a hammer toe are usually first noticed when a corn develops on the top of the toe and becomes painful, usually when wearing tight shoes. There may be a bursa under the corn or instead of a corn, depending on the pressure. Most of the symptoms are due to pressure from footwear on the toe. There may be a callus under the metatarsal head at the base of the toe. Initially a hammer toe is usually flexible, but when longstanding it becomes more rigid.

Diagnosis
First push up on the bottom of the metatarsal head associated with the affected toe and see if the toe straightens out. If it does, then an orthotic could correct the problem, usually with a metatarsal pad. If the toe does not straighten out when the metatarsal head is pushed up, then that indicates that contracture in the capsule and ligaments (capsule contracts because the joint was in the wrong position for too long) of the MTP joint has set in and surgery is required. Orthotics are generally required post-surgically.

Non Surgical Treatment
Putting padding between your toes and strapping them in place can help to stop pain caused by the toes rubbing. Custom-made insoles for your shoes will help to take the pressure off any painful areas. Special shoes that are wider and deeper than normal can stop your toes rubbing. However if your pain persists your consultant may recommend an surgery.

Surgical Treatment
The technique the surgeon applies during the surgery depends on how much flexibility the person's affected toes still retain. If some flexibility has still been preserved in their affected toes, the hammer toes might be corrected through making a small incision into the toe so the surgeon can manipulate the tendon that is forcing the person's toes into a curved position. If, however, the person's toes have become completely rigid, the surgeon might have to do more than re-aligning the person's tendons. Some pieces of bone may have to be removed so the person's toe has the ability to straighten out. If this is the case, some pins are attached onto the person's foot afterwards to fix their bones into place while the injured tissue heals.

Prevention
Certain exercises such as moving and stretching your toe gently with your hands and picking up small or soft objects such as marbles or towels can keep your toe joints flexible, simple exercises can stretch and strengthen your muscles. Limit high-heel use, well-designed flat shoes will be more comfortable than high heels. Don't wear shoes that are too short or too narrow, or too shallow, this is especially important for children going through periods of rapid growth, the toe area should be high enough so that it doesn't rub against the top of your toes.






最終更新日  2015.07.11 07:53:50
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