runner's knee

noun

Medical Definition of runner's knee

: pain in the region of the knee especially when related to running that may have a simple anatomical basis (as tightness of a muscle) or may be a symptom of iliotibial band syndrome or an indication of chondromalacia patellae

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“Runner's knee.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/runner%27s%20knee. Accessed 13 Aug. 2020.

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