Effect of Different Visual Feedback Conditions on Maximal Grip ...

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Effect of Diifferent Viisual Feed dback Con nditions on Maxiimal Grip--Strength Assessmeent 1 2 1 A Chkeir1, R. Jaber A. J , D.J. Heewson1, J.-Y. Hogrel H , and J. Duchêne D 1

Unniversity of Techhnology of Troyees, UMR CNRS 6279 STMR, Trroyes, France 2 Institute of Myology, M Paris, France

Abstract—Grip p strength was assessed usingg the Grip-balll dyn namometer for twenty-one sub bjects (11 men and a 10 women)). Fivve different verrbal feedback coonditions were tested: no visual feedback (NV VF), non-quanttified visual feeedback (IVF)), F), and both over-estimated d acccurate visual feedback (CVF (OV VF) and undeer-estimated (O OVF) visual feedback. In thee lattter three condiitions, subjects were presented with a targett forrce to strive foor. Significantlly greater grip p strength wass obsserved for the CVF condition n in comparison n with the NVF F and d IVF conditiions (6% incrrease for both h comparisonss, p

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