Original ResearchPublished 2 October 2026Rasch-based classification of post-stroke balance ability: dimensionality and clinical validation of the BESTest and S-BESTestThitimard Winairuk · Marco Y. C. Pang · Sirod Sirisup · Vitoon Saengsirisuwan · Kamolwan K. Klaykaew · Rumpa BoonsinsukhFrontiers in Aging Neurosciencedoi 10.3389/fnagi.2026.1889177