Areeudomwong, Pattanasin, Rungthip Puntumetakul, and Naruemon Leerayuwat. “Reliability of surface electromyography measurement on lumbar multifidus muscles and internal oblique muscles during sub-maximal voluntary muscle contraction in healthy Thai participants”. Archives of Allied Health Sciences 21, no. 3 (December 24, 2009): 277–286. accessed September 11, 2026. https://he01.tci-thaijo.org/index.php/ams/article/view/66161.