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Graded Range of Motion Arc

A rehab device where one moves rings from one side to the other. Found in homes and rehab facilities, it is used to help increase / maintain one’s arm and shoulder range of motion. Exercises can be done in standing or from a seated position.


  • can be incorporated into a home exerciser program
  • can be done from a seated or standing position
  • can be customized with greater difficulty by increasing the range of motion one needs to move rings along the arc
  • basic exercise that people with minimal strength can utilize


  • expensive
  • wooden base is heavy and requires a large clear space to utilize
  • cannot be used as a strength building exerciser as weights or resistance cannot be added to it