Janyacharoen, Taweesak, Sukontarat Sa-nguanram, Patthraporn Sarasuk, Pattharawadee Kaewlamul, and Lugkana Mato. 2023. “Acute effects of aquatic exercise on trunk flexibility and low back muscle strength in healthy Thai subjects”. Chulalongkorn Medical Journal 56 (1). Bangkok, Thailand. https://he05.tci-thaijo.org/index.php/CMJ/article/view/768.