文档介绍：Sectionone definition cause classification displacement一、Definition:Theintegrityand/orcontinuityofthebonebeinterruptted二、cause1directviolence:meas:violencedirecttothebone----:translatetothebone-.(suchascolle’sfracture)。myotility:musclesattachedthebone(patella fracture)。transverse :Long-term,:thesecondandthirdmetatarsalfracturesbecauseoflong-distancemarch;distal1/3partfibulafractureabovethreetypes,urinhealthybone,calledTraumaticfractures4pathologicalfracture:occurinBonedisease,Slightforce。(tumor、infection)三、classification(plentyof)(一)accordingtoskin、、closefracture:、openfracture:aren’tinterlinked(二)accordingtoseverityandshape1、pletefracture:Theintegrityand/orcontinuityofthebonebeinterruptted1)linearfracture:gap,notdisplaced.(Theskullbone,scapulabone)2)greendstickfracture:Boneandperiosteumpartlybroken,withorwithoutangulation deformity。(likeWillowbranches)pletefracture:Theintegrityand/ordingtofracturelineandshape:1)TransverseFracture:fractureandverticalaxis=vertical。(rightpic.)三、 accordingtoseverityandshape2)obliquefracture:fracturelineandverticalaxistoformacertainAngle(asrightfigure)(accordingtoseverityandshape)3)spiralfracture:(rightpic.)