Core stability exercises on and off a Swiss ball.
Does core strength training influence running kinetics, lower-extremity stability, and 5000-M performance in runners?
Postural control in 13-year-old soccer players
The effects of ten weeks of lower-body unstable surface training on markers of athletic performance.
The use of instability to train the core musculature.
Replacing a Swiss ball for an exercise bench causes variable changes in trunk muscle activity during upper limb strength exercises