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re: proper prescription when using the swiss ball
I am sitting on a mediball at the moment (the only type of ball I would recommend to a patient- due to its static loading capacity and anti-burst quality---something any patient with lbp would appreciated to prevent further injuries).
I believe that isolated/static TA and MF contractions are not required previous to use of a swissball!
4pt kneeling/crooklying etc are not funtional positions; thus carryover to everyday tasks is minimal; little feedback is available outside clinic environment for beginners(when positions aren't functional); and dynamic isolation occurs with the use of a ball regardless - hence the whole unstable base theory behind the ball-(just try it!)
However, a patient does needs accurate size prescription in order to achieve correct postural alignment for muscle stabilisation, and thus needs to be taught this correct posture and/or exercises by experienced professionals. I believe the ball is a great tool, and approve of its use for both prevention and rehab, but understand its usefulness is limited without proper education of techniques etc.
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