Table 2.

Overview of key themes and description.

Theme	Description	Examples	Frequency, n (%)
Children taking part	Parents shared posts with images, text, or video showing children taking part and showing appreciation to Joe Wicks.	My children are absolutely LOVING their workouts! [VIDEO]	150 (37.5)
Other commentary and news articles	News articles on Joe Wicks and other general nonspecific commentary.	I wonder if there could be a workout for elderly and disabled who can’t move as much?	110 (27.5)
Encouraging others to join in	Users encouraged others to take place by posting, reposting, and activity mentioning other users.	Hey, everyone! Be sure to get involved with this! [LINK]	90 (22.5)
Schools	Schools would post to encourage pupils to take part in the exercises.	PE classes just like school! Be sure to join in! [LINK]	50 (12.5)