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Exercise monitoring system and methods

  • US 7,220,220 B2
  • Filed: 05/17/2004
  • Issued: 05/22/2007
  • Est. Priority Date: 11/09/1999
  • Status: Expired due to Term
First Claim
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1. A method of controlling a subjects physical activity, comprising:

  • (a) monitoring a subject'"'"'s blood oxygen level while the subject performs a physical activity; and

    (b) maintaining said blood oxygen level at a selected level while the subject continues to perform said physical activity.

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