Bystad, MartinRydland, SveinungBugge, ChristianHøgmo, SisselBrøndbo, BirgitJacobsen, RenateGarcía Fernández, LorenaRodríguez Jiménez, RobertoRomero Ferreiro, VerónicaWynn, Rolf2026-03-172026-03-172026Bystad, M., Rydland, S., Bugge, C., Høgmo, S., Brøndbo, B., Jacobsen, R., García-Fernández, L., Rodríguez-Jiménez, R., Romero-Ferreiro, V., & Wynn, R. (2026). High-intensity training vs. low-intensity training for patients with anxiety: A randomised controlled trial. Trials, 27(1), 153. https://doi.org/10.1186/s13063-026-09472-21745-6215https://hdl.handle.net/11268/16961This protocol was developed to describe the design of a randomised controlled trial that will examine the clinical efficacy of a 4-week comparison of high-intensity vs. low-intensity physical training for people suffering from anxiety. The hypothesis is that the high-intensity group will have greater benefit in terms of reduced anxiety symptoms, improved physical health (blood pressure) and better adherence.engAttribution 4.0 Internationalhttps://creativecommons.org/licenses/by/4.0/Escuela de doctorado e investigaciónEducación y entrenamiento físicoAnsiedadEnsayo clínico controlado aleatoriojournal article10.1186/s13063-026-09472-2open accessDeporteMedicina preventivaInvestigación médicaGoal 3: Ensure healthy lives and promote well-being for all at all ages