GILGEN-AMMANN, Rahel; SCHWEIZER, Theresa; LÜDIN, Dennis. Validation of the Polar 360 Upper Arm Strap for Heart Rate Measurement Across a Variety of Activities and Intensities. Current Issues in Sport Science (CISS), Bern, v. 11, n. 2, p. 023, 2026. DOI: 10.36950/. Disponível em: https://ciss-journal.org/article/view/13333. Acesso em: 5 feb. 2026.