Golden ratio and self-similarity in swimming: breast-stroke and the back-stroke.

Verrelli CM, Romagnoli C, Colistra G, Ferretti I, Annino G, Bonaiuto V, Manzi M. 

Frontiers in Human Neuroscience (Front. Hum. Neurosci.). 2023 Jul;17:1176866. Original Research Article.

https://doi.org/10.3389/fnhum.2023.1176866