We will use the area of hand, foot and forearm for the power calculation.  A default setting will be used if this information is not defined under the 'My Personal Settings' screen.


How to measure the length and width?


  • For hand, you can measure the length from tip of the longest finger till end of the palm; measure the width from thumb to little finger


  • For foot, you can just input your shoe size
  • For forearm, you can measure the length from lower to upper part of the forearm; measure the width of your upper part of the forearm