“…Survival swimming education requires students to personally engage in physical activities, so I wish a systematic online class system could be established in the future." (G) Kim, Chung, and Lee (2019) reported that YouTube videos, publisher content, in-house production, and EBS content were mostly used in online classes for elementary school students, while Kim and Choi (2020) reported that online physical education classes for middle and high school students were conducted using videos produced in-house (44.4%) and those from outside sources, such as EBS, YouTube, and others (55.6%).…”