SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/run-runners-knee-stairs

Which activity often makes runner's knee feel worse?

Going up or down stairs can worsen runner's knee pain.

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  1. Lying flat on a bed
  2. Waving your arms
  3. Going up or down stairs ✔

Why: Bending the knee under load stresses the patellofemoral joint. Stairs, squatting, and running downhill often flare the pain.

Huh, didn't know that: Popping or crackling sounds when climbing stairs or standing up can also happen with runner's knee.

The dad joke
Why did the runner avoid the escalator? It was too step-by-step.
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References

Answer: Going up or down stairs. Bending the knee under load stresses the patellofemoral joint. Stairs, squatting, and running downhill often flare the pain.

  1. Patellofemoral Pain Syndrome | OrthoInfo orthoinfo.aaos.org/en/diseases--conditions/patellofemoral-pain-syndrome
    Pain during exercise and activities that repeatedly bend the knee, such as climbing stairs, running, jumping, or squatting
    Checked 2026-10-12.

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