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Posted by on Sep 30, 2014 in blog, Bone and Joint | 0 comments

The Dancer’s Knee Chondromalacia Patellae

The Dancer’s Knee Chondromalacia Patellae

 

Big name, small problem. Everyday problem. Everybody’s problem. ‘Chondromalacia patellae’ is the medical name of that knee problem, the knee pain you have after returning from a vacation in the mountains, or after that trek with friends, and also after that dance drama you staged for the school function. It may appear to be a complicated disease by the name of it, but it is so simple and innocuous a disease that most people would have cured themselves while they waited for the doctor’s appointment.

Technically speaking, the bones in our joints are covered with firm spongy layer of tissue called cartilage. This tissue takes the entire load that passes through the joint and cushions the bones against the impact. Because their essential purpose is to absorb the joint impact forces, they undergo repetitive wear and tear. Nature compensates for this by healing it as fast as it wears down. But sometimes, just sometimes, when we suddenly over exert our knees – like when we do on vacations, on treks and during dance classes – the wear of the cartilage outruns the repair process. Resultantly, the cartilage loses its firmness, becomes soft, fibrillated and progressively fissured with time. This diminishes its shock absorbing capacity and incites pain on being loaded. This is called ‘chondromalacia’. The cartilage underneath the patella (your knee cap) is especially susceptible to such stress injuries, and then it is called ‘chondromalacia patellae’.

Chondromalacia patellae would classically present as pain on the anterior aspect of the knee, and it is worst when you climb stairs, squat or kneel. It usually affects young females, especially if they are dancing with repetitive squats and lunges. The reason for this gender bias is possibly because of the fact that females have much softer and supple muscles that offer lesser protection to the joint cartilages.The same characteristics that make them such gracious dancers predispose them to more wear. Though walking and everyday activities remain comfortable, pain is exaggerated with dancing, climbing and squatting, forcing young healthy people to seek medical attention.

Diagnosis
The doctor would generally pick up the diagnosis by rubbing the patella against the femur bone underneath, and this invariably incites a sharp pain and crepitus (creaking sensation). And even though you might have felt the pain in one knee, the doctor will examine both your knees, because this problem is very often bilateral. Then again, if you have thigh muscles which are too loose or too tight, or your knees or kneecaps are mal-aligned, the knee joint load gets multiplied, increasing your possibility of having this problem. Sadly, such anatomical deviations will also complicate your treatment and recovery.
Though the cartilage layers can’t be seen on X-ray, the doctor will nevertheless order them, mainly to rule out or detect any structural problems in the knee. Certain medical conditions like hypothyroidism, diabetes and some crystal deposition disorders cause weakened cartilage and add to the chances of having easy damage of cartilage, and so blood tests will be called for.

Treatment
If medical problems and anatomical variations can be ruled out or treated, the disease will cure itself. The doctor will facilitate this healing by the following advice:

  • One, restrain from all those activities that incite pain – that includes missing a month’s dance classes and /or avoiding stairs and Indian style latrines.
  • Two, strengthening weak muscles and stretching out stiff muscles.
  • Three, analgesics, to keep you comfortable while nature goes about its repair process.

Sometimes, patients would avoid painful activities themselves, and find themselves cured in a couple of weeks, even before they have visited the doctor. However, this can become very dangerous. Bearing with pain has the big disadvantage of weakening your thigh muscles, which
adds to your joint loading and may actually worsen your chondromalacia. Very rarely would chondromalacia persist for more than three months with treatment, and these are the cases that have some sort of anatomical abnormality complicating the issue. Most of these cases end up needing surgery. Surgery is usually targeted at releasing and balancing your tight kneecap ligament (parapatellar retinaculum), or shifting your patellar tendon attachment, both of which give excellent results and permanent cure. So, the next time your knees cry, do offer some help by giving them some rest.

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