Are exercise ball crunches effective?

A study by researchers at the Department of Kinesiology at Occidental College in Los Angeles says yes. The study found that crunches performed on a stability ball (a.k.a. fitness ball or Balance Ball) boosted activation, or flexing, of abdominal muscles by 24 to 38 percent over crunches done without a ball .

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Is BOSU ball good for core?

The unstable characteristics of the BOSU ball make it a great training tool for targeting stabilizer muscles, especially those of the core . You can take a traditional, stable move, like the squat, and make it more challenging with the BOSU because you now have to balance on an uneven surface.12 Eyl 2014

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