1. USA Pickleball Association-fastest growing sport. (2023). Accessed. March 24, 2023: https://usapickleball.org/news/fastest-growing-sport/.
2. What is padel tennis?. (2022). Accessed. March 24, 2023: https://www.gq-magazine.co.uk/sport/article/what-is-padel-tennis.
3. USA pickleball association-pickleball fact sheet. (2023). Accessed. March 24, 2023: https://usapickleball.org/about-us/organizational-docs/pickleball-fact-sheet/.
4. Rules of platform tennis. (2022). Accessed. March 24, 2023: http://www.platformtennis.org/about_us/Rules_of_Platform_Tennis.
5. Physical activity differences between walking and playing pickleball doubles;Denning WM;Sci Sports,2022