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Core stability exercises on and off a Swiss ball
Paul W Marshall1, Bernadette A Murphy
1Department of Sport and Exercise Science, University of Auckland, New Zealand. p.marshall@auckland.ac.nz
Archives of Physical Medicine and Rehabilitation
|February 12, 2005
Summary
Using a Swiss ball for core stability exercises, particularly the single-leg hold and press-up, significantly increases rectus abdominis activation. However, its overall benefit for core stability training needs further investigation.
Area of Science:
- Biomechanics
- Exercise Physiology
Background:
- Core stability exercises are crucial for preventing injuries and improving athletic performance.
- The Swiss ball is a popular tool for core training, but its specific effects on lumbopelvic muscle activation require detailed assessment.
Purpose of the Study:
- To compare lumbopelvic muscle activity during various core stability exercises performed on and off a Swiss ball.
- To evaluate the impact of Swiss ball use on muscle activation patterns during specific exercises.
Main Methods:
- A prospective comparison study involving eight healthy volunteers.
- Surface electromyography (sEMG) was used to measure lumbopelvic muscle activity during four exercises (press-up, roll-out, single-leg hold, quadruped) on and off a Swiss ball.
- Electromyography power spectrum analysis and perceived difficulty were also assessed.
Main Results:
- A significant increase in rectus abdominis activation was observed during the single-leg hold and at the top of the press-up when performed on the Swiss ball.
- These changes altered the relative activation patterns among measured lumbopelvic muscles.
Conclusions:
- The Swiss ball may provide a training stimulus for the rectus abdominis, but its relevance to optimal core stability training, which often aims to minimize rectus abdominis activity, warrants further research.
- The quadruped exercise demonstrated potential as a quality core stability exercise.