What is Plantar Fasciitis?
Plantar Fasciitis is an inflammation of the ligaments that run under the sole of the foot. These ligaments which are referred to as the plantar fascia are attached to the heel bone at one end and to the five metatarsal bones that are situated in the fore foot.
The fascia supports the longitudinal arch of the foot, and also helps to prevent
over pronation (In-rolling). The main site of pain is along the inner side of the arch and it also it may be localised on the inner side of the heel.
Cause of Plantar Fasciitis
The most common cause of Plantar Fasciitis is excessive abnormal pronation, where the foot in-rolls and does not function in its most efficient way. If the foot is over pronated, the plantar fascia, which is already tight, becomes stretched and twisted as it tries to prevent the abnormal pronation from occurring. When this happens, the area becomes inflamed and very uncomfortable.
Symptoms of Plantar Fasciitis
The extra stress and pull on the fascia may also cause the lining of the bone to be pulled away from the bone at the point of attachment. In some chronic cases the pull on the bone creates an enlargement of the bone at the point of attachment (
heel spur) and then the pain is more noticeable in the centre of the heel.
In a high arched foot or a rigid foot there is an added pressure on the plantar fascia, which increases vulnerability to the condition.
Plantar Fasciitis can also come about due to a continuous standing or unaccustomed walking, may also be a contributing factor. Excessive weight gain may also cause Plantar Fasciitis.
Plantar Fasciitis can also cause pain on initial weight bearing in the morning or after a period of rest but improves with walking. However prolonged walking and activity may give rise to continuous pain that can be quite crippling.
Plantar Fasciitis treatment and prevention
The successful treatment of Plantar Fasciitis must include the reduction of the inflammation on the one hand and the elimination of the cause of the condition on the other.
The use of Laser therapy or Ultrasound by a physiotherapist may be of some benefit. The application of ice or cold compress may also help relieve the inflammation.
In certain cases the treatment of Plantar Fasciitis is by an application of prescribed anti-inflammatory drugs may be of use, and in more severe cases an injection of cortisone and local anaesthetic may provide an immediate relief that can last for few weeks.
Other treatment for Plantar Fasciitis is the introduction of foot strapping to keep the foot in the correct position. This is effective for short term relief.
Treatment for Plantar Fasciitis
Reducing the inflammation will not cure the condition. In most cases of plantar fasciitis the cause is incorrect biomechanics, where the foot over-pronates. The use of custom-made orthotics will eliminate the excessive stretching by preventing the over-pronation.
The use of insoles and orthotics does not provide immediate relief, it is a long term treatment so be patient.
In some milder cases of plantar fasciitis it may be enough to use the inexpensive arch support insole with a heel cushion to treat the condition.
This information is for guidance only. If you are in doubt at all, please consult your nearest health professional.
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