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2015.05.10
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Overview
One of the most common foot maladies people suffer from is plantar fasciitis. This condition arises when undue stress is placed on the ligament in your foot that supports your arch, the "plantar fascia". When that ligament is overworked it leads to the classic symptoms of heel and arch pain which worsens when you get up to walk after periods of rest. This isn't the kind of pain you experience after being on your feet all day at work or walking around Disneyland with your kids. The pain from plantar fasciitis is often intense and debilitating. It is also surprisingly common. Two million Americans suffer from plantar fasciitis every year and 10 percent of the population will experience it in their lifetime. It has become recognized as one of the most chronic and, often times, most difficult foot problems to treat.


Causes
The normal arch is made up of bones and joints, which are held tightly together, in a precise relationship. When this relationship is subjected to repeated abnormal weight, or the normal weight of a lifetime, the force breaks up this normal relationship, causing bones to shift and joints to buckle. This allows the arch to collapse, and produces pain. The ability of the arch to absorb the shock of each step is reduced, so that continued walking will eventually produce pain in the knee, hip, and lower back. All four of the above categories will eventually cause this to happen. Arch pain can also be a manifestation of heel spur or nerve injury in the heel area. There are also certain types of benign growths that can cause arch pain i.e. Plantar fibromatosis.

Symptoms
Many people have no symptoms, and the condition is discovered only by chance when an X-ray of the foot is obtained for some other problem. When symptoms occur, there is usually foot pain that begins at the outside rear of the foot. The pain tends to spread upward to the outer ankle and to the outside portion of the lower leg. Symptoms usually start during a child's teenage years and are aggravated by playing sports or walking on uneven ground. In some cases, the condition is discovered when a child is evaluated for unusually frequent ankle sprains.

Diagnosis
In people with flat feet, the instep of the foot comes in contact with the ground when standing. To diagnose the problem, the health care provider will ask you to stand on your toes. If an arch forms,the flat foot is called flexible. You will not need any more tests or treatment. If the arch does not form with toe-standing (called rigid flat feet), or if there is pain, other tests may be needed, including a CT scan to look at the bones in the foot. MRI scan to look at the tendons in the foot. X-ray of the foot.

Non Surgical Treatment
The initial treatment for arch pain, especially if it is of sudden onset is the use of ice to reduce the swelling. Later heat and anti-inflammatory gels can be a big help. Activity should be modified, if you stand a lot at work, see if you can using seating more, if you run a lot, consider swimming or cycling for a while. Use footwear that is supportive in the midfoot and heel area.


Surgical Treatment
If pain or foot damage is severe, your doctor may recommend surgery. Procedures may include the following. Fusing foot or ankle bones together (arthrodesis). Removing bones or bony growths also called spurs (excision). Cutting or changing the shape of the bone (osteotomy). Cleaning the tendons' protective coverings (synovectomy). Adding tendon from other parts of your body to tendons in your foot to help balance the "pull" of the tendons and form an arch (tendon transfer). Grafting bone to your foot to make the arch rise more naturally (lateral column lengthening).


Prevention
It is possible to prevent arch pain by wearing well-fitting shoes while performing any physical activity. Many times doctors will suggest a therapeutic shoe with a higher heel to relieve the pressure on the achilles tendon and also the arch muscle (plantar fasciitis). People with arch pain suffer from regular flare-ups of pain. However there is no risk to others as this is not a contagious condition.






最終更新日  2015.05.10 16:51:46
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