vendredi 22 avril 2016

Is it worth using a Swiss ball? Exercise review

They’re so bouncy and huge that, when you sit on one, your core works overtime just to keep you upright

What is it? A large inflatable ball used for exercise. You may know it as a balance ball, birth ball, body ball, fitness ball, gym ball, stability ball, therapy ball or yoga ball.

How much does it cost? Shop around and you can find them for about a fiver. Alternatively, your gym will be packed to the gills with them.

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from Health & wellbeing | The Guardian http://ift.tt/1VObx3Z
via health

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