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A 18-year-old female asked:

Joint instability at hip and knee, weakness from hip to outer thigh to outer knee. pain lifting leg - climbing stairs and kicking leg backwards. why?

2 doctor answers3 doctors weighed in
Dr. Tariq Niazi
Orthopedic Surgery 45 years experience
Sounds like you mig-: Ht be having a knee joint problem, where knee gives way under you, making you stumble or fall. You need to be seen by an orthopod and would require a detailed examination + MRI to be properly diagnosed and treated. Good luck.
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Dr. Bruce Rothschild
Rheumatology 50 years experience
Many possibilities: Needs evaluation by rheumatologist to assess how much instability and perhaps by a physical medicine specialist or neurologist.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Jul 25, 2019

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