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MEDICINA DELLO SPORT
A Journal on Sports Medicine
Official Journal of the Italian Sports Medicine Federation
Indexed/Abstracted in: BIOSIS Previews, EMBASE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 0,163
Medicina dello Sport 2000 September;53(3):267-74
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.