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Ditch core work?
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Ditch core work?
Patrick W. Brundage
over 12 years ago
I'm tired of arguing about sandbagging and split requests, so let's fight over the value of the wobbly ball --
www.dailymail.co.uk/.../Why-sit-ups-bad-body-wobbly-gym-ball-wont-help-either.html
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__steve__
over 12 years ago
Repeated bending of anything without support (living tissues in this case) will fail over use. Not too useful of an experiment in my opinion.
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__steve__
over 12 years ago
Repeated bending of anything without support (living tissues in this case) will fail over use. Not too useful of an experiment in my opinion.
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