Cosio-Lima Ludmila M, Reynolds Katy L, Winter Christa, Paolone Vincent, Jones Margaret T
Health Sciences Department, Springfield College, Springfield, Massachusetts 01109, USA.
J Strength Cond Res. 2003 Nov;17(4):721-5. doi: 10.1519/1533-4287(2003)017<0721:eopacf>2.0.co;2.
The purpose of this study was to compare the effects of 5 weeks of physioball core stability and balance exercises with conventional floor exercises in women. The experimental group (n = 15) performed curl-ups and back extensions on the physioball while the control group (n = 15) performed the same exercises on the floor. Baseline and post-training tests included electromyography (EMG) recordings of the rectus abdominus and erector spinae muscles; abdominal, back, and knee strength measurements with the Cybex Norm System; and 2 unilateral stance balance tests. The physioball group was found to have significantly greater mean change in EMG flexion and extension activity (p = 0.04 and p = 0.01, respectively) and greater balance scores (p < 0.01) than the floor exercise group. No significant changes (p > 0.05) were observed for heart rate or Cybex strength measurements. Early adaptations in a short-term core exercise program using the physioball resulted in greater gains in torso balance and EMG neuronal activity in previously untrained women when compared to performing exercises on the floor.
本研究的目的是比较5周的健身球核心稳定性和平衡训练与传统地面训练对女性的影响。实验组（n = 15）在健身球上进行仰卧起坐和背部伸展运动，而对照组（n = 15）在地面上进行相同的运动。基线和训练后测试包括腹直肌和竖脊肌的肌电图（EMG）记录；使用Cybex Norm系统测量腹部、背部和膝盖力量；以及两项单侧站立平衡测试。结果发现，健身球组的EMG屈伸活动平均变化显著更大（分别为p = 0.04和p = 0.01），平衡得分也更高（p < 0.01），高于地面运动组。心率或Cybex力量测量未观察到显著变化（p > 0.05）。与在地面上进行运动相比，在短期核心训练计划中使用健身球进行早期适应，能使未受过训练的女性在躯干平衡和EMG神经元活动方面获得更大的提升。
