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Lean808’s heart rate monitors allow participants to track their efforts

  • CRAIG T. KOJIMA / CKOJIMA@STARADVERTISER.COM
    Angela Fox
  • teaches a class at her gym in Kapahulu.
  • CRAIG T. KOJIMA / CKOJIMA@STARADVERTISER.COM
    Heart monitors show the intensity of the participants’ efforts during the exercise program. The monitoring system also shows the amount of calories burned and overall effort.

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