A member asked:

Is it common to experience knee pain and have the feeling that your knee is giving out, when you have patellar tendonitis?

4 doctors weighed in across 2 answers

Absolutely: Knees typically give out for 3 reasons: pain, muscle weakness and instability. The first 2 reasons are likely why you have this sensation.

Answered 9/18/2013

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Dr. Jonathan Kirschner answered

Specializes in Physical Medicine and Rehabilitation

Yes: When you have knee pain, especially involving your extensor mechanism (quad muscle, tendon, patella, patellar tendon) you don't fire your quad right and this can cause feelings if weakness or buckling. Rehabilitatin should help this.

Answered 3/30/2015

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Related Questions

A member asked:

Anyone ever have patellar tendonitis in one knee?

A doctor has provided 1 answer