Kantasorn, Juthamard, Wattana Jalayondeja, Rungchai Chaunchaiyakul, and Chakarg Pongurgsorn. 2010. “Effects of respiratory muscles warm-up on exercise performance in sedentary subjects”. Archives of Allied Health Sciences 22 (1). Khon Kaen, Thailand:71-81. https://he01.tci-thaijo.org/index.php/ams/article/view/66217.