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Background:Recently,moreandmorehighenergyinjuriesappeared,theproximalfractureoffemurwasnolongerthesimplefractureofbtweenfemurtuberosityorbelowfemurtuberosity.Itisoftenaccompaniedwithfractureoftheupperfemur.Forbiodynamicandanatomicalreasons,suchfracturesar