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Method and device for measuring exercise level during exercise and for measuring fatigue

  • US 7,764,990 B2
  • Filed: 06/30/2005
  • Issued: 07/27/2010
  • Est. Priority Date: 07/01/2004
  • Status: Active Grant
First Claim
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1. A method for measuring exercise level during exercise and for measuring fatigue, in whichEMG electrical signals produced by active muscles are measured with a measuring device,besides the EMG electrical signals received from the muscles, a momentary exercise level and a level of fatigue of a person are measured or estimated by also measuring other quantities describing exercise, circumstances and/or environments, wherein the other quantities describing exercise include acceleration, velocity, biomechanical movements or motion paths of a body or limb of the person, or position of the person on an exercise means, wherein the other quantities describing circumstances include weather, temperature, wind, or air pressure, and wherein the other quantities describing environments include resistance due to the exercise means, a setting of the exercise means, altitude or steepness of terrain,from results of the measured EMG electrical signals and from the measuring of the other quantities, one or several indexes are calculated by means of which exercises carried out at different times and under different circumstances and/or environments are comparable with each other,feedback is given from the exercise with a perceivable signal from a feedback device during the exercise, by means of which the person may simultaneously monitor and optimize the exercise.

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