Pooranawatthanakul, Kanokporn, and Anchalee Foongchomcheay. “Reliability and validity of a modified instrument for functional reach test”. Chulalongkorn Medical Journal 59, no. 1 (August 28, 2023). accessed April 15, 2025. https://he05.tci-thaijo.org/index.php/CMJ/article/view/556.