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Talk test: you can talk but not sing while exercising. What intensity is that?

Moderate intensity. Only a few words between breaths means vigorous.

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  1. Vigorous
  2. Moderate ✔
  3. Maximal effort

Why: The CDC talk test is a quick effort check. At moderate intensity you can talk but not sing. At vigorous intensity you can say only a few words before pausing for a breath.

Huh, didn't know that: A Mayo Clinic doctor puts it this way: you can carry on a conversation, but not carry a tune.

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I tried the talk test on my run. Now my running buddy won't stop talking.
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References

Answer: Moderate. The CDC talk test is a quick effort check. At moderate intensity you can talk but not sing. At vigorous intensity you can say only a few words before pausing for a breath.

  1. CDC: How to Measure Physical Activity Intensity www.cdc.gov/physical-activity-basics/measuring/index.html
    a person doing moderate-intensity aerobic activity can talk, but not sing, during the activity.
    Checked 2026-10-12.
  2. Mayo Clinic Sports Medicine: Running for better health sportsmedicine.mayoclinic.org/news/running-for-better-health
    you should be able to carry on a conversation, but you should not be able to carry a tune
    Checked 2026-10-12.

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