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SESK: Stuff Everyone Should Know · sesk.info/lift-sharp-pain-stop

Which feeling during a set is a signal to stop?

Sharp or sudden pain, not the normal discomfort of hard work.

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  1. Mild muscle tiredness
  2. A steady muscle burn
  3. Sharp or sudden pain ✔

Why: Cleveland Clinic says some discomfort is normal during exercise, but you should not feel sharp or sudden pain. If you do, stop and check with a healthcare provider, physical therapist or athletic trainer.

Huh, didn't know that: Mayo Clinic says to stop an exercise that causes pain, then try again in a few days or with less weight.

The dad joke
My muscles burn so much during squats, I asked if they wanted marshmallows.
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References

Answer: Sharp or sudden pain. Cleveland Clinic says some discomfort is normal during exercise, but you should not feel sharp or sudden pain. If you do, stop and check with a healthcare provider, physical therapist or athletic trainer.

  1. Cleveland Clinic: Squats, How To Do Them and Why They Rock health.clevelandclinic.org/proper-squat-form
    you shouldn’t feel any sharp or sudden pain
    Checked 2026-10-12.
  2. Mayo Clinic: Weight training, Do's and don'ts of proper technique www.mayoclinic.org/healthy-lifestyle/fitness/in-depth/weight-training/art-20045842
    If an exercise causes pain, stop.
    Checked 2026-10-12.

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