Achilles Tendonitis Causes And Treatments

Overview
A tendon is a tough yet flexible band of fibrous tissue. The tendon is the structure in your body that connects your muscles to the bones. The skeletal muscles in your body are responsible for moving your bones, thus enabling you to walk, jump, lift, and move in many ways. When a muscle contracts it pulls on a bone to cause movements. The structure that transmits the force of the muscle contraction to the bone is called a tendon. Tendons come in many shapes and sizes. Some are very small, like the ones that cause movements of your fingers, and some are much larger, such as your Achilles tendon in your heel. When functioning normally, these tendons glide easily and smoothly as the muscle contracts. Sometimes the tendons become inflamed for a variety of reasons, and the action of pulling the muscle becomes irritating. If the normal smooth gliding motion of your tendon is impaired, the tendon will become inflamed and movement will become painful. This is called tendonitis, and literally means inflammation of the tendon.

Causes
Achilles tendinitis can be caused by overly tight calf muscles, excessive running up hill or down hill, a sudden increase in the amount of exercise, e.g. running for a longer distance, wearing ill-fitting running shoes, such as those with soles that are too stiff, or wearing high heels regularly, or changing between high heels all day and flat shoes or low running shoes in the evening. Overuse is common in walkers, runners, dancers and other athletes who do a lot of jumping and sudden starts/stops, which exert a lot of stress on the Achilles tendon. Continuing to stress an inflamed Achilles tendon can cause rupture of the tendon - it snaps, often with a distinctive popping sound. A ruptured Achilles tendon makes it virtually impossible to walk. An Achilles tendon rupture is usually treated by surgical repair or wearing a cast.

Symptoms
Recurring localized pain, sometimes severe, along the tendon during or a few hours after running. Morning tenderness about an inch and a half above the point where the Achilles tendon is attached to the heel bone. Sluggishness in your leg. Mild or severe swelling. Stiffness that generally diminishes as the tendon warms up with use.

Diagnosis
A podiatrist can usually make the diagnosis by clinical history and physical examination alone. Pain with touching or stretching the tendon is typical. There may also be a visible swelling to the tendon. The patient frequently has difficulty plantarflexing (pushing down the ball of the foot and toes, like one would press on a gas pedal), particularly against resistance. In most cases X-rays don't show much, as they tend to show bone more than soft tissues. But X-rays may show associated degeneration of the heel bone that is common with Achilles Tendon problems. For example, heel spurs, calcification within the tendon, avulsion fractures, periostitis (a bruising of the outer covering of the bone) may all be seen on X-ray. In cases where we are uncertain as to the extent of the damage to the tendon, though, an MRI scan may be necessary, which images the soft tissues better than X-rays. When the tendon is simply inflamed and not severely damaged, the problem may or may not be visible on MRI. It depends upon the severity of the condition.

Nonsurgical Treatment
Massage therapy improves blood flow to the muscles and tissues of the affected area while increasing range of motion and can prevent recurring injury. The healing process can be quickened using ultrasound heat therapy to improve blood flow to the affected area. Wearing a night brace keeps the leg flexed, preventing stiffening of the tendon, which would impair healing. Stretching exercises increase flexibility and allow the tendon to heal without shortening, a deformity resulting in chronic pain. Persistent Achilles pain may warrant the use of a cast or walking boot to be worn for 4-6 weeks stabilizing the tendon so it can heal. After removal of the cast or boot, physical therapy will be ordered to increase functionality of the affected limb. To reduce chronic inflammation of the tendon, corticosteroid injections may be prescribed. It?s important to note that this corticosteroid treatment increases the risk of tendon rupture. Ultrasound imaging may be used by the physician administering the steroid injection, in order to help visualize the affected area. When all other therapies have failed to or tendon rupture occurs, surgical intervention and repair of the muscles and tendons is the last treatment option.


Surgical Treatment
Surgical treatment for tendons that fail to respond to conservative treatment can involve several procedures, all of which are designed to irritate the tendon and initiate a chemically mediated healing response. These procedures range from more simple procedures such as percutaneous tenotomy61 to open procedures and removal of tendon pathology. Percutaneous tenotomy resulted in 75% of patients reporting good or excellent results after 18 months. Open surgery for Achilles tendinopathy has shown that the outcomes are better for those tendons without a focal lesion compared with those with a focal area of tendinopathy.62 At 7 months after surgery, 67% had returned to physical activity, 88% from the no-lesion group and 50% from the group with a focal lesion.

Prevention
Wear shoes that fit correctly and support your feet: Replace your running or exercise shoes before the padding or shock absorption wears out. Shock absorption greatly decreases as the treads on the bottoms or sides of your shoes begin to wear down. You may need running shoes that give your foot more heel or arch support. You may need shoe inserts to keep your foot from rolling inward. Stretch before you exercise: Always warm up your muscles and stretch gently before you exercise. Do cool down exercises when you are finished. This will loosen your muscles and decrease stress on your Achilles tendon. Exercise the right way: If your tendinitis is caused by the way that you exercise, ask a trainer, coach, or your caregiver for help. They can teach you ways to train or exercise to help prevent Achilles tendinitis. Do not run or exercise on uneven or hard surfaces. Instead, run on softer surfaces such as treadmills, rubber tracks, grass, or evenly packed dirt tracks.