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A Journal on Sports Medicine

Official Journal of the Italian Sports Medicine Federation
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Medicina dello Sport 2000 September;53(3):267-74

language: Italian

Iso­ki­netic assess­ment of the ­shoulder. ­Medico-­legal ­aspects

Soldati A., Poletti G., Cellini M., Brunelli D., Speziale F.

Centro di Medicina dello Sport, Azienda U.S.L. Bologna Sud, Casalecchio di Reno (BO)


Iso­ki­netics has ­always ­been ­widely uti­lized in ­Sports Med­i­cine and Reha­bil­i­ta­tion. Nev­er­the­less, in the ­last few ­years it has ­spread to ­other ­branches of Med­i­cine, espe­cially the Med­ical ­Legal Depart­ment ­where it has ­shown to be a ­very ­useful ­means to ­obtain pre­cise and reli­able eval­u­a­tions of ­real pathol­o­gies vs pos­sible sim­u­la­tions. An iso­ki­netic ­study has ­been per­formed ­with a ­Lido ­Active MJ (­Loredom Bio­med­ical Inc. Sac­ra­mento CA, U.S.A.) on 156 path­o­logic shoul­ders in the move­ments of intra­ro­ta­tion/extrar­o­ta­tion and Abduc­tion/Adduc­tion and has ­been ­used at ­speed of 60º/sec (4 and 6 rep­e­ti­tions) and 180º/sec (10 rep­e­ti­tions). The ­most impor­tant param­e­ters are ­Peak ­torque ­Work, ­Power and C.V. (coef­fi­cient of vari­a­tion). The CV is a sta­tis­tical indi­cator of repro­du­cibility and, ­expressed as a per­centage, per­mits to ­know how sim­ilar the rep­e­ti­tion are to ­each ­other. The ­study com­pares the CV in a max­imal iso­ki­netic ­test and in a not max­imal iso­ki­netic ­test. The ­results ­obtained of the anal­ysis of CV ­shows sta­tis­tical sig­nif­i­cant cor­re­la­tion ­between max­imal iso­kin­etic ­test and ­value of CV ­lower ­than 10-15% (­mean ­from 15 to 21%). There­fore it is pos­sible to con­sider iso­ki­netics assess­ment as a quan­ti­ta­tive and qual­ita­tive ­method. In par­tic­ular, the CV is ­useful to rec­og­nize sim­u­la­tion.

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