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 Chondromalacia patella

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PostSubject: Chondromalacia patella   Chondromalacia patella EmptyThu Jan 20, 2011 3:00 pm

Chondromalacia patella
Filed under: Boomer's Health
The cartilage under your kneecap (patella) is a natural shock absorber.
Overuse, injury or other factors may lead to a condition known as
chondromalacia patella — a general term indicating damage to the
cartilage under your kneecap. A more accurate term for chondromalacia
patella is patellofemoral pain syndrome.

The most common symptom is knee pain that increases when you walk up or
down stairs. Simple treatments — such as rest and ice — often help, but
sometimes physical therapy or even surgery is needed to ease
patellofemoral pain.

©
Symptoms

Patellofemoral pain syndrome usually causes a dull, aching pain in the front of your knee. This pain can be aggravated when you:

* Walk up or down stairs
* Kneel or squat
* Sit with a bent knee for long periods of time

You may also experience a grating or grinding sensation when you extend your knee.

When to see your doctor
If the knee pain doesn't improve within a few days, consult your doctor.

©
Causes

Doctors aren't certain what actually causes patellofemoral pain syndrome, but it's been associated with:

* Overuse. Repetitive stress on your knee joint — such as that
sustained during running or jumping sports — may result in
patellofemoral pain.
* Misaligned bones. Patellofemoral pain can occur if the bones in your knee or foot aren't aligned properly.
* Injury. Trauma to the kneecap, such as a dislocation or fracture, has been linked to patellofemoral pain syndrome.

©
Risk factors

* Age. Patellofemoral pain syndrome typically affects adolescents
and young adults. Knee problems in older populations are more commonly
caused by arthritis.
* Sex. Women are twice as likely as men are to develop
patellofemoral pain. This may be because a woman's wider pelvis
increases the angle at which the bones in the knee joint meet.
* Certain sports. Participation in running and jumping sports can
put extra stress on your knees, especially if you've recently increased
your training level.

©
Complications

Patellofemoral pain can lead to difficulty with routine activities, such as squatting and climbing stairs.

©
Preparing for your appointment

You're likely to start by seeing your family doctor. In some cases, you
may be referred to a physical therapist, an orthopedic surgeon or a
sports medicine specialist.

What you can do
Before your appointment, you might want to write a list that answers the following questions:

* What symptoms do you have? Does any activity make your symptoms better or worse?
* When did your symptoms start? Can you think of any injury that may have triggered them?
* Have you had X-rays or other imaging exams of your knees in the
past? (If so, try to arrange to bring copies of them with you to your
appointment.)
* What medications or supplements are you taking?

What to expect from your doctor
During the physical exam, your doctor will press on different parts of
your knee and move your leg into a variety of positions. These maneuvers
will help rule out other conditions that have similar signs and
symptoms.

©
Tests and diagnosis

To help determine the cause of your knee pain, your doctor may recommend imaging tests such as:

* X-rays. A small amount of radiation passes through your body in
the process of creating X-ray images. This technique visualizes bone
well, but is less effective at viewing soft tissues.
* Computerized tomography (CT scan). CT scans combine X-ray images
taken from many different angles to create cross-sectional images of
internal structures. CT scans can visualize both bone and soft tissues,
but the procedure delivers a much higher dose of radiation than do plain
X-rays.
* Magnetic resonance imaging (MRI). Using radio waves and a strong
magnetic field, MRIs produce very detailed images of bones and soft
tissues. But MRIs are much more expensive than X-rays or CT scans.

©
Treatments and drugs

Treatment of patellofemoral pain often begins with simple measures. Rest
your knee as much as possible. Avoid any activities that increase the
pain, such as climbing stairs.

Medications
If needed, take pain relievers, such as acetaminophen (Tylenol, others)
or nonsteroidal anti-inflammatory pain relievers, such as aspirin or
ibuprofen (Advil, Motrin, others).

Therapy
A physical therapist may suggest:

* Rehabilitation exercises. Specific exercises can strengthen the
muscles that support your knees and control limb alignment, such as your
quadriceps, hamstrings and the muscles around your hips (especially the
hip abductors).
* Supportive braces. Knee braces or arch supports may help protect your joint and improve the alignment of your kneecap.
* Taping. Your physical therapist may show you how to tape your knee to reduce pain and enhance your ability to exercise.
* Ice. Icing your knee after exercise may be especially helpful.
* Knee-friendly sports. During your recovery, you may want to
restrict your activities to more knee-friendly sports — such as
bicycling and swimming.

Surgical and other procedures
If these measures aren't effective, in rare cases surgery may be an option.

* Arthroscopy. During this procedure, the doctor inserts an
arthroscope — a pencil-thin device equipped with a camera lens and light
— into your knee through a tiny incision. Surgical instruments are
passed through the arthroscope to remove fragments of damaged cartilage.
* Realignment. In more severe cases, a surgeon may need to operate
on your knee to realign the angle of the kneecap or relieve pressure on
the cartilage.

©
Prevention

Sometimes knee pain just happens. But certain steps may help prevent the pain.

* Maintain strength. Strong quadriceps and hip abductor muscles help keep the knee balanced during activity.
* Think alignment and technique. Ask your doctor or physical
therapist about flexibility and strength exercises to optimize your
technique for jumping, running and pivoting — and to help the patella
track properly in its groove. Especially important is exercise for your
outer hip muscles to prevent your knee from caving inward when you
squat, land from a jump, or step down from a step.
* Lose excess pounds. If you're overweight, losing the extra weight relieves stress on your knees.
* Warm up. Before running or any other exercise, warm up with five minutes or so of light activity.
* Stretch. Promote flexibility with gentle stretching exercises.
* Increase intensity gradually. Avoid sudden changes in the intensity of your workouts.
* Practice shoe smarts. Make sure your shoes fit well and provide
good shock absorption. If you have flat feet, consider shoe inserts.

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