b_Ergo Team training MSDs.ppt

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1、WorkplaceMusculoskeletalDisorders(WMSDs)ContentMusculoskeletalDisorders(MSDs)肌肉和骨骼系统的疾病CommonWMSDs,Symptoms&Causes症状和原因JobRelatedHazards作业危害分析Prevention预防MusculoskeletalDisorders(MSDs)MusculoskeletalDisorders(MSDs)arealsoknownas:RepetitiveStrainInjuries(RSI)重复性劳损CarpalTunnelSyndrome(C

2、TS)腕管综合征MSDsaffectsofttissue软组织伤害Nerves神经Tendons腱Ligaments韧带Muscles肌肉Bones骨骼Bloodvessels血管CumulativeConditions；累计条件Typicallyaffectupperextremity:tendons,nerves,neurovascularCausedbyrepeatedorcontinuousexposuretoergonomicstressors“CumulativeTraumaDisorder”(CTD)AcuteConditions剧烈条件Weake

3、ning,stretchingortearingofmusclesorligaments韧带和肌肉拉开CanaffectanymuscleorjointCausedbyacutetrauma,twisting,tripping,one-timeincidentMusculoskeletalDisorders(MSDs))Repeatedepisodesof“micro”sprains&strains>tissueinflammation>injury重复性的轻微扭伤和疲劳>轻的炎症>伤害UpperExtremityStructure上肢部分Structu

4、resoftheupperextremityareparticularlyvulnerabletosofttissueinjury:上肢构造最容易受伤的是软组织Allworkactivityrequiresconstantandactiveuseofarmsandhands所有需要用手臂和手持续操作的工作Typicallyunprotectedandopentoinjury比较有代表性的无保护和暴露在危害中的作业Sensitivitytointensityordurationofactivity对剧烈或持续操作的敏感ConditionCauseResultsTen

5、dinitis腱炎Inflammationwhenmuscle/tendonunitrepeatedlytensedTendonmaybepermanentlyweakenedwithoutsufficientrest/healingtime.Tenosynovitis腱鞘炎Repetitive-inducedtendoninjuryinvolvingsynovialsheath,producingexcessivefluid.Fluidaccumulatescausingpain/swelling.DeQuervain’sDisease桡骨茎突狭窄性腱鞘炎Aff

6、ectstendonsonsideofwristandbaseofthumbcausedbyhadtwistingandforcefulgrippingAbnormalthickeningofsheathandconstrictionofthetendons.TriggerFinger扳机装指TendonsheathofafingerbecomesswollenduetouseoftoolshavinghandleswithsharpedgesTendonbecomes“locked”.Attempttomoveitcausessnapping,jerkingmo

7、vements.Lateralepichondilitis外上髁炎“TennisElbow”;OverusedtendonsbecomeirritatedPainradiatingfromelbowtoforearmRotatorcufftendonitis轴转腱撕裂Workrequiringelbowtobeinanelevatedposition,puttingstrainontheshoulderThickeningofbothtendonsandbursa,mayresultin“frozenshoulder”Ganglioncyst腱鞘囊肿Repetit

8、iveus