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In normal knee joint movement, the patella (or kneecap) usually slides up and
down the groove that it sits in. When a dislocation occurs, the patella slides out
of its groove and usually towards the outside of the knee. Patellar dislocation is
often caused by an imbalance in the strength of the quadriceps muscles,
particularly weakness in the inner quad muscle. This can be improved with
physical therapy and various strengthening exercises for the knee and hip.
Other factors also may have contributed to your dislocation such as possible
cartilage irritation along the back of the kneecap, or an anatomical
malalignment issue where the shape of your patellar groove may have
predisposed you for this injury. In any case, it may be wise to take some time
off of dancing, consult with a physical therapist, and allow your knee to heal
properly. Once you return to dance activity, you may want to consider wearing
a knee brace that provides support to the patella. You also need to make sure
you maintain good strength throughout your knee, hip, and core in order to
prevent recurrent dislocations. In severe cases where the patella does dislocate
repeatedly, surgery is often necessary. |