The greatest features of our VR game-based rehabilitation method include, but are not limited to:
1- positioning balls further or closer to the center of the circle in accordance with the range of elbow extension of the patient,
2-recording how long patients can hold balls. This duration is in inverse relation with muscle fatigability,
3- graphing the rate of advancement and improvement of the range of elbow extension and shoulder abduction to be used by medical professionals, and
4- Scheduling and setting the duration and number of stages of the game in every session according to ability and wills of patients.