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1、Mouse&HumanEngineering01mouseforpeople1,officeworkers2,thenetworkgamelover3,longtimecomputerworkers4,youngcomputerusers02Inourdailylifethelong-termuseofmouse,thewristwith9tendonsand1nerve,thewristtothepalmsurfacebucklingactivityreachedabout70°~80°,tohandbackfl
2、exion50°~60°,usingamouse,dorsalwristQuyue45°~55°,isclosetothemaximumpointofview,itwouldpullwithinthecarpaltunneltendonsofthehightensionstate,coupledwiththepalmrootsupportonthedesktopwilloppressthecarpaltunnel,inthisstate,thefingertendon,nerverepetitivemovement
3、seasytorub,theoccurrenceofchronicinjury,resultingininflammationandedema,andthenthethumb,indexfingerpain,numbness,shows,swellingtofeel,stillcanappearthecarpaljointswelling,handfinemovementisnotflexible,unabletowait.03Whenpeopleusethemouse,repeatedmechanicalconc
4、entrationactivityoneortwofinger,andwithsuchmonotonousminoractivity,wouldstraintheligamentsofthewrist.Leadtoperipheralnerveinjuryoroppression.Thewristtobearintensive,repeated,excessiveactivity,localswellingcausescarpaltunnelvolumereduction,themediannervebeenent
5、rapment,leadstoa"mousehand".04Thelocationofthemouseishigher,onwristinjuryisgreater,themousedistanceawayfromthebodyaway,ontheshoulderinjurymore.Therefore,themouseshouldbeplacedinalowerposition,thelocationoftheequivalentsittingpositions,theupperarmisverticaltoth
6、egroundwhentheelbowheight.Keyboardpositionshouldalsobelikethis.Manycomputerdeskshavenomousespecialposition,sothemouseonthedesktopoflong-termwork,damagetopeopleitisself-evident."Mousehand",canbesaidtobeamouse,mousesizeofindividualdifferences,suchasimproperuseof
7、thesecausesimproperposture.05Initialsymptomsshowedintrogressionlineofhandandwristpain,numbness,weakness,andfinallyaffectsarm.Patientswillfeelthehandstabbingpain,weakness,cannotclenchself'sfistandgraspingsmallobjects,withtheexacerbationofsymptoms,maydeveloptoca
8、n'tdriveanddressing.06Apreventionandpreventterrorist"mousehand"mouse.07Anergonomicmousechangedthetraditionalmousemodelling,usingauniqueverticaldesign,letusholdit,armiskeptfullyrela