Mourtzios, Christos, Vasileia Arvanitidou, Ioannis Athanailidis, and Nikolaos Kostopoulos. “Different Electromyographic Features of the Gastrocnemius and the Tibialis Anterior Muscles When Comparing Three Types of Service Among Young Sportsmen and Sportswomen”. Journal of Human Sport and Exercise 16, no. 2proc (March 22, 2021): S182-S194. Accessed May 9, 2024. https://www.jhse.ua.es/article/view/2021-v16-n2-proc-different-electromyographic-features-gastrocnem.