The motor function of the trunk in 10 hemiplegic patlents was evaluated with Biodex Sys- tem Ⅱisokinetic testing aparatus. The result shows that the strength of flexors and extensors of the trunk,especially the flexors,becomes weaker(The ratio of flexors to extensors is less than 1).The patients weretreated with a series of the trunk retraining methods. The motor function of the trunk was improved aftertreatment(P<0.01 ).The total motor function(Fugl-Meyer Assessing Scale)also makes significant progress(P<0.01).The study proposes that the retraining and regaining of the trunk motor function in hemiplegiais quite important not only to the trunk but also to total motor function.
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