ChristalZadrogaのブログ

Overview

An Achilles tendon rupture, also known as an Achilles tendon tear, is the snapping or pulling apart of the Achilles tendon into two pieces. Achilles tendon ruptures can be full ruptures or partial ruptures. A physician may be required to distinguish between acute Achilles tendinosis and a partial Achilles tendon rupture. Tennis Leg is a rupture of the connection between the calf muscle and the Achilles tendon. Achilles tendonitis is an inflammation of the Achilles tendon: it is much less common than, but often confused with, Achilles tendinosis. Achilles tendons can also be lacerated or crushed.

Causes
The Achilles tendon can grow weak and thin with age and lack of use. Then it becomes prone to injury or rupture. Achilles tendon rupture is more common in those with preexisting tendinitis of the Achilles tendon. Certain illnesses (such as arthritis and diabetes) and medications (such as corticosteroids and some antibiotics, including quinolones such as levofloxacin [Levaquin] and ciprofloxacin [Cipro]) can also increase the risk of rupture. Rupture most commonly occurs in the middle-aged male athlete (the weekend warrior who is engaging in a pickup game of basketball, for example). Injury often occurs during recreational sports that require bursts of jumping, pivoting, and running. Most often these are tennis, racquetball, basketball, and badminton. The injury can happen in the following situations. You make a forceful push-off with your foot while your knee is straightened by the powerful thigh muscles. One example might be starting a foot race or jumping. You suddenly trip or stumble, and your foot is thrust in front to break a fall, forcefully overstretching the tendon. You fall from a significant height or abruptly step into a hole or off of a curb.

Symptoms
Patients who suffer an acute rupture of the Achilles tendon often report hearing a "pop" or "snap." Patients usually have severe pain the back of the lower leg near the heel. This may or may not be accompanied by swelling. Additionally, because the function of the Achilles tendon is to enable plantarflexion (bending the foot downward), patients often have difficulty walking or standing up on their toes.

Diagnosis
Diagnosis is made mostly by clinical examination with a defect usually noted on visual examination and by touching the area. A simple test can be done by squeezing the back of the calf with the foot resting in the air. Normally when squeezing the muscle belly the tendon will shorten causing the foot to move in a downward position. With a rupture this squeezing effect may show no movement of the foot if it is not attached properly. A negative test does not mean there isn't some degree of rupture as some of the tendon fibers may still be attached. Sometimes x-rays, an mri, or an ultrasound can be helpful in determining the extent of the rupture.

Non Surgical Treatment
Your doctor may advise you to rest your leg and keep the tendon immobile in a plaster cast while it heals. Or you may need to have an operation to treat an Achilles tendon rupture. The treatment you have will depend on your individual circumstances, such as your age, general health and how active you are. It will also depend on whether you have partially or completely torn your tendon. If you have a partial tear, it might get better without any treatment. Ask your doctor for advice on the best treatment for you. If you need pain relief, you can take over-the-counter painkillers such as paracetamol or ibuprofen. Always read the patient information that comes with your medicine and if you have any questions, ask your pharmacist for advice.


Surgical Treatment
Surgery is the most common treatment for this condition. An incision is made in the lower leg and the tendon is sewn back together. A cast, splint, walking boot, or brace is worn for 6-8 weeks. One of the benefits of surgery is that it lowers the risk of re-rupturing the tendon. Surgery may also be a better option if you are athletic.

Prevention
To reduce your chance of developing Achilles tendon problems, follow the following tips. Stretch and strengthen calf muscles. Stretch your calf to the point at which you feel a noticeable pull but not pain. Don't bounce during a stretch. Calf-strengthening exercises can also help the muscle and tendon absorb more force and prevent injury. Vary your exercises. Alternate high-impact sports, such as running, with low-impact sports, such as walking, biking or swimming. Avoid activities that place excessive stress on your Achilles tendons, such as hill running and jumping activities. Choose running surfaces carefully. Avoid or limit running on hard or slippery surfaces. Dress properly for cold-weather training and wear well-fitting athletic shoes with proper cushioning in the heels. Increase training intensity slowly. Achilles tendon injuries commonly occur after abruptly increasing training intensity. Increase the distance, duration and frequency of your training by no more than 10 percent each week.