A directional ellipse to describe directional behavior and player activity area in soccer - Fernández-Peña, E.; Castellano, J.; Amatori, S.; Rocchi, M. B.; Sisti, D. (Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology, 2022)
Keywords: soccer; biomechanics; movement; activity; analysis; team; performance; GPS; Great Britain; sport games; technical and natural sciences