A Portable Ball with Unity-based Computer Game for Interactive Arm Motor Control Exercise

Yuqing Zhou, Yijia An, Qisong Niu, Qinglei Bu*, Yung C. Liang*, Mark Leach, Jie Sun

*Corresponding author for this work

Research output: Chapter in Book or Report/Conference proceedingConference Proceedingpeer-review


Children with cerebral palsy (CP) may suffer from upper extremity disorders, for which extensive rehabilitation exercises are often used to improve motor control. However, most individuals are unable to sustain regular and repetitive exercise sessions due to the boredom of hospital facilities and the long distance between home and hospital. In order to attract children, our team designed an interactive portable ball associated with Unity-based computer games so that children can exercise at home without the help of physiatrists. To encourage children to actively participate in rehabilitation training, two computer games are designed with visual and auditory feedback, including a three-dimensional (3D) plane flight simulation and a two-dimensional (2D) shape drawing. The upper limb exercise data could be recorded through a machine vision-based evaluation system to allow for analysis of the rehabilitation process and hence evaluation. Preliminary tests have been performed on children with CP. Feedback shows that this device can enhance the exercise of children's fingers, wrists, and shoulder muscles, as well as improve cognitive ability in shape recognition. The design is highly flexible, allowing for customization dependent on the severity of the disease. Also, more rehabilitation games can be developed by adjusting game difficulty levels to meet specific needs.

Original languageEnglish
Title of host publicationICMI 2023 Companion - Companion Publication of the 25th International Conference on Multimodal Interaction
PublisherAssociation for Computing Machinery
Number of pages5
ISBN (Electronic)9798400703218
Publication statusPublished - 9 Oct 2023
Event25th International Conference on Multimodal Interaction, ICMI 2023 Companion - Paris, France
Duration: 9 Oct 202313 Oct 2023

Publication series

NameACM International Conference Proceeding Series


Conference25th International Conference on Multimodal Interaction, ICMI 2023 Companion


  • Assistive training for cerebral palsy patients
  • Training games
  • Upper limb rehabilitation device


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