Kim Yu-Ri, Kim Ji-Won, An Duk-Hyun, Yoo Won-Gyu, Oh Jae-Seop
Department of Physical Therapy, Good Gang An Hospital.
J Phys Ther Sci. 2013 Jul;25(7):793-5. doi: 10.1589/jpts.25.793. Epub 2013 Aug 20.
[Purpose] This study investigated the effects of a pelvic belt on the electromyography (EMG) activity of the abdominal muscles during a single-leg hold in the hook-lying position on a round foam roll. [Subjects] Seventeen healthy female volunteers were recruited for this study. [Methods] The participants performed single-leg-hold exercises on a round foam roll with and without a pelvic belt. Surface EMG was recorded from the rectus abdominis (RA), internal oblique (IO), and external oblique (EO) bilaterally. [Results] The EMG activity of the bilateral RA, EO, and IO was significantly lower when the pelvic belt applied. [Conclusions] Our finding that the bilateral EO, IO, and RA muscles were less active with a pelvic belt during trunk-stabilizing exercises on an unstable surface suggests that the pelvic belt provided "form closure".
[目的] 本研究调查了在圆形泡沫轴上钩卧姿势单腿支撑期间骨盆带对腹部肌肉肌电图（EMG）活动的影响。[对象] 本研究招募了17名健康女性志愿者。[方法] 参与者在使用和不使用骨盆带的情况下在圆形泡沫轴上进行单腿支撑练习。双侧从腹直肌（RA）、腹内斜肌（IO）和腹外斜肌（EO）记录表面肌电图。[结果] 当使用骨盆带时，双侧RA、EO和IO的肌电图活动显著降低。[结论] 我们的研究结果表明，在不稳定表面上进行躯干稳定练习时，双侧EO、IO和RA肌肉在使用骨盆带时活动较少，这表明骨盆带提供了“形状闭合”。
