Elling, Mathis https://orcid.org/0000-0002-1402-1860
Hetzel, Christian https://orcid.org/0000-0002-4767-8244
Streibelt, Marco
Sänger, Nadine https://orcid.org/0009-0000-2529-1543
Schwarz, Betje https://orcid.org/0000-0001-8467-0164
Seifert, Nico https://orcid.org/0000-0002-2348-3485
Funding for this research was provided by:
German Federal Pension Insurance (0421/40-64-50-91)
Article History
Received: 30 July 2025
Accepted: 23 December 2025
First Online: 6 January 2026
Declarations
:
: Marco Streibelt and Nico Seifert are employees of the German Federal Pension Insurance, which funds medical rehabilitation services. The other authors declare that they have no conflicts of interest.
: This study was approved by the Ethics Committee of the German Sport University Cologne (No. 192/2023).