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Symptoms
By Mayo Clinic staffPatellofemoral 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.
References
- Hudgins TH. Patellofemoral syndrome. In: Frontera WR, et al. Essentials of Physical Medicine and Rehabilitation. 2nd ed. Philadelphia, Pa.: Saunders Elsevier; 2008. http://www.mdconsult.com/das/book/body/203760062-4/1007205249/1678/68.html#4-u1.0-B978-1-4160-4007-1..50067-5--cesec14_1089. Accessed June 1, 2010.
- O'Connor FG, et al. Patellofemoral pain syndrome. http://www.uptodate.com/home/index.html. Accessed June 1, 2010.
- Runner's knee (Patellofemoral pain). American Academy of Orthopaedic Surgeons. http://orthoinfo.aaos.org/topic.cfm?topic=a00382. Accessed June 2, 2010.
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