CHNGU, P. K. Curl-Up Test: A New Abdominal Muscular Endurance Test: 仰臥捲腹測試法: 測定腹肌耐力的新方法. Asian Journal of Physical Education & Recreation, [S. l.], v. 1, n. 2, p. 16–21, 1995. DOI: 10.24112/ajper.11160. Disponível em: https://ejournals.lib.hkbu.edu.hk/index.php/ajper/article/view/1160. Acesso em: 3 oct. 2022.