CHIA, M., & QUEK, J. J. (2002). Efficacy of OTO Power Stretch Apparatus in Training for Abdominal and Upper Body Muscular Endurance: OTO力牽張儀在訓練腹部與上身肌肉耐力中的作用. Asian Journal of Physical Education &Amp; Recreation, 8(2), 62–66. https://doi.org/10.24112/ajper.81272