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Determination of stress level of fitness exercise

  • US 6,443,904 B2
  • Filed: 03/16/2001
  • Issued: 09/03/2002
  • Est. Priority Date: 03/17/2000
  • Status: Expired due to Term
First Claim
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1. A method of controlling a fitness exercise performed by a person, the method comprising:

  • (a) measuring the person'"'"'s heart rate information during the fitness exercise; and

    (b) informing the person if a value of a stress parameter formed from the measured heart rate information exceeds a threshold value formed for the stress parameter before the fitness exercise, wherein the threshold value of the stress parameter has been formed for the fitness exercise using the value of the person'"'"'s expiratory flow.

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