Development of a Music Interactive Online Fitness System for Shoulder Press Exercise: Latest Update for Biosignal Art

Global COVID-19 pandemic limited our ability to have adequate physical activity. It is necessary to replace outdoor and gymnasium exercise with in-door and home-based fitness. However, little effort has been paid for solving the new rising problems for the new alternative fitness, such as insufficient system access, lack of exercise skill, and motivation. To make a response to these problems, we updated and published a new online fitness system: Biosignal Art (BA) for shoulder press exercise on July 1, 2020. Shoulder press motion is captured by a web camera and evaluated through an original algorithm consisted of arms initial position, forearm position, and motion rhythm. Music interactive feedback according to the shoulder press performance is also provided after the exercise and can be downloaded by the users. We collected and analyzed the access status data nine months after the first release of the new BA system. By the end of April 2021, a total of 287 visitors accessed and performed the shoulder press exercise through the new BA system. 55% of them acquired fifty shoulder press points or higher. Facing the severe COVID-19 pandemic situation, we expect the Biosignal Art system can help more people to keep inadequate physical activity.