Elvira, C., M. Terol-Sanchis, M. J. Gomis-Gomis, and C. Suárez-Llorca. “New Deconstruct Elliptical Sports Machine and Elliptical Machine: Comparative Analysis of Muscle Functionality and Physiological Response in Low and High Intensity Training”. Scientific Journal of Sport and Performance, vol. 2, no. 2, Mar. 2023, pp. 186-97, doi:10.55860/ZWDL2353.