Runner's Knee
(Patellofemoral Stress Syndrome)
What is runner's knee?
Runner's knee, also known as patellofemoral stress
syndrome, is a condition characterized by the kneecap
rubbing against the thighbone (femur) when moving.
What causes runner's knee?
Runner's knee may be caused by a structural defect,
or a certain way of walking or running. Other
causes may include the following:
- a kneecap that is located too high in the
knee joint
- weak thigh muscles
- tight hamstrings
- tight Achilles tendons
- walking or running with the feet rolling in,
while the thigh muscles pull the kneecap outward
What are the symptoms of runner's knee?
The following are the most common symptoms of
runner's knee. However, each individual may experience
symptoms differently. Symptoms may include:
- pain in and around the kneecap that may be
felt with activity, or even after prolonged
sitting with the knees bent, occasionally resulting
in weakness or feelings of instability
- rubbing, grinding, or clicking sound of the
kneecap that can be heard at times when the
knee is bent and straightened
- kneecap is tender to the touch
The symptoms of runner's knee may resemble other
conditions and medical problems. Always consult
your physician for a diagnosis.
How is runner's knee diagnosed?
Diagnosis of a runner's usually is confirmed
with a complete medical history and a physical
examination.
Treatment for runner's knee:
Specific treatment for runner's knee will be
determined by your physician based on:
- your age, overall health, and medical history
- extent of the injury
- your tolerance for specific medications, procedures,
or therapies
- expectations for the course of the injury
- your opinion or preference
The best course of treatment for runner's knee is
to stop running until running can resume without
pain. Other treatment may include:
- stretch exercises
- strengthening exercises
- arch support in shoes
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