Juliana Oberhaus

A Feet Difficulties Data Base

Everything You Might Want To Understand About Heel Painfulness

Overview

Heel Pain

Every time you take a step, one of your heels has to support the whole weight of your body. As you move, the load is equal to 20 times your own body weight. The load is softened by a pillow of fat under the heel and a large sinew or ligament (the fibrous tissue that joins muscle and bone together) under the sole of the foot. This sinew is called the plantar fascia and it pulls the heel bone forward (in opposition to the Achilles tendon, which pulls it backwards). If an athlete does not warm up properly or a person with a sedentary job exercises heavily during the weekends, they might overload the muscles of the calf or strain the Achilles tendon, which joins these muscles to the heel bone. When overloaded the tendon becomes tight and painfully inflamed, which places extra strain on the plantar fascia and muscles in the soles of the foot. The strained plantar fascia becomes inflamed and may even develop tiny cracks. This is known as plantar fasciitis. Every time you sit down, sleep or otherwise rest your legs, the muscles of the sole of the foot will contract in an attempt to protect the damaged sinew. The pain in the heel will then no longer be felt. But when you get up again and put weight on the foot, the foot and ankle may feel stiff (because of the inflammation) and the pain will return either at the back of the heel or on the soles of the feet. When you start to move, the plantar fascia may crack even more causing a vicious cycle of damage and pain. Inflammation at the point where the Achilles tendon (at the back of the heel) or the plantar fascia (under the heel) join the heel bone (a bone known as the Calcaneum) stimulates cells that form bone to deposit bone in this area, eventually leading to the build up of a bony prominence on the heel bone called a calcaneal spur. But it's not the spur itself that causes the pain. The spur is a sign of chronic inflammation in the connective tissues, which is the result of a prolonged overload. It should also be pointed out that heel spurs can occur on their own, without plantar fasciitis or pain, or may be linked to some types of arthritis (inflammation of the joints). And plantar fasciitis or Achilles tendonitis don't necessarily lead to spur formation.

Causes

In the majority of cases, heel pain has a mechanical cause. It may also be caused by arthritis, infection, an autoimmune problem trauma, a neurological problem, or some other systemic condition (condition that affects the whole body).

Symptoms

Pain in the heel can be caused by many things. The commonest cause is plantar fascitis. Other causes include, being overweight, constantly being on your feet, especially on a hard surface like concrete and wearing hard-soled footwear, thinning or weakness of the fat pads of the heel, injury to the bones or padding of the heel, arthritis in the ankle or heel (subtalar) joint, irritation of the nerves on the inner or outer sides of the heel, fracture of the heel bone (calcaneum).

Diagnosis

The diagnosis of plantar fasciitis is generally made during the history and physical examination. There are several conditions that can cause heel pain, and plantar fasciitis must be distinguished from these conditions. Pain can be referred to the heel and foot from other areas of the body such as the low back, hip, knee, and/or ankle. Special tests to challenge these areas are performed to help confirm the problem is truly coming from the plantar fascia. An X-ray may be ordered to rule out a stress fracture of the heel bone and to see if a bone spur is present that is large enough to cause problems. Other helpful imaging studies include bone scans, MRI, and ultrasound. Ultrasonographic exam may be favored as it is quick, less expensive, and does not expose you to radiation. Laboratory investigation may be necessary in some cases to rule out a systemic illness causing the heel pain, such as rheumatoid arthritis, Reiter's syndrome, or ankylosing spondylitis. These are diseases that affect the entire body but may show up at first as pain in the heel.

Non Surgical Treatment

If the plantar fasciitis is acute, that is, a sprain of the plantar fascia then it is basically treated as a sprain, with anti-inflammatory drugs, ice, rest, possibly physical therapy. If chronic, the poor foot mechanics need be addressed. Foot mechanics are changed by use of specially moulded shoe inserts known as orthotics. Someone with plantar fasciitis needs an orthotic designed to relieve strain on the plantar fascia. Orthotics are often confused with arch supports. Arch supports, by holding up the arch can remove some of the tension from the plantar fascia. Orthotics, on the other hand, do most of their work on the heel and ball of the foot repositioning the foot for maximized function. What can you do before you see the foot doctor? First, try doing your own version of deep tissue massage by rolling a frozen cola bottle or can from the heel forward into the arch. Do it gently. Do stretching but the key to good stretching is not to stretch too hard so generally avoid weight bearing (standing) stretches but sit on a soft surface like your bed and pull the foot backward on the leg as far as it will go, holding for 20 seconds and relaxing for 5 seconds. Each 25 second ?set? can be repeated 5 times and you have invested about 2 minutes in giving yourself a lot of help. Watch out for the shoes you wear. It is tempting to obtain shoes that are colorful and soft. Here is the proof that soft shoes are bad. Wrap a pillow around your foot with duct tape and walk for a block or two. You will come back with your foot hurting more because your foot sank down deeper into the soft surface, allowing the ligament to stretch more. The shoes should be stiff in the shank and flexible at the ball. Such shoes, to running buffs, are known as motion control shoes or stability shoes so going to one of the small specialty running shoes stores is a good place to start. If you don?t have a desk job, or have an industrial job see if light duty is available. A note from your doc may be all that is required in most cases and most doctors are happy to oblige.

Surgical Treatment

Extracorporeal shockwave therapy (EST) is a fairly new type of non-invasive treatment. Non-invasive means it does not involve making cuts into your body. EST involves using a device to deliver high-energy soundwaves into your heel. The soundwaves can sometimes cause pain, so a local anaesthetic may be used to numb your heel. It is claimed that EST works in two ways. It is thought to have a "numbing" effect on the nerves that transmit pain signals to your brain, help stimulate and speed up the healing process. However, these claims have not yet been definitively proven. The National Institute for Health and Care Excellence (NICE) has issued guidance about the use of EST for treating plantar fasciitis. NICE states there are no concerns over the safety of EST, but there are uncertainties about how effective the procedure is for treating heel pain. Some studies have reported that EST is more effective than surgery and other non-surgical treatments, while other studies found the procedure to be no better than a placebo (sham treatment).

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Prevention

Heel Pain

Prevention of heel pain involves reducing the stress on that part of the body. Tips include. Barefeet, when on hard ground make sure you are wearing shoes. Bodyweight, if you are overweight there is more stress on the heels when you walk or run. Try to lose weight. Footwear, footwear that has material which can absorb some of the stress placed on the heel may help protect it. Examples include heel pads. Make sure your shoes fit properly and do not have worn down heels or soles. If you notice a link between a particular pair of shoes and heel pain, stop wearing them. Rest, if you are especially susceptible to heel pain, try to spend more time resting and less time on your feet. It is best to discuss this point with a specialized health care professional. Sports, warm up properly before engaging in activities that may place lots of stress on the heels. Make sure you have proper sports shoes for your task.