Phimphasak, C., Puntumetakul, R., Chatchawan, U. and Swangnetr, M. (2012) “Comparison of sustain and dynamic back hyperextension exercises on spinal height in asymptomatic subjects: a pilot study”, Archives of Allied Health Sciences. Khon Kaen, Thailand, 24(3), pp. 327–338. available at: https://he01.tci-thaijo.org/index.php/ams/article/view/66294 (accessed: 28 September 2026).