文档介绍：RepetitiveStrainInjury(RSI)ECE417/617: upation:Alsodangerous:Walkseveralmilesonyourfingertips?WhatisRSI?RepetitiveStrainInjury(RSI)ispainornerveproblemsinupperextremity(hands,arms,orshoulders)canalsoincludeneckandbackisasofttissuedisease(musclesandnerves)isanoverusesyndromeSymptoms:burning,numbness,tingling,pins-and-needlesdullachingORspecific,intensepainControversial:manydenyitexistssufferersreceivelittlesupportfromemployersThecostofRSI$20billionperyear [InformationWeek,,1992]$29,ountsfor60%ofalljob-relatedinjuries[DepartmentofLabor]Approx.¾puterCarpaltunnelsyndromeCarpalTunnelSyndromeisaspecifictypeofRSISwellingincreasespressure onnervestofingersProblemisonlyinwristMostRSIismorewidespread (neck,back,arms,shoulders)WhatcausesRSI?BadpostureulnardeviationdorsiflexionpronationslouchingAnatomyofhandnervesThoracicoutlet:b/wcollarboneandrib#1Brachialplexus:braidednervesalsosuppliesshouder,neck,andarmmusclesbrachialplexusThreenerves:Median throughcarpaltunnelUlnar “funnybone”Radial extensormusclestopviewbottom viewTraditionalsolutionsSurgeryWristbracesAnti-inflammatorydrugsPainkillersCortisoneshotsWhyshouldyoubecautious?KeepinmindLong-termproblemlong-termsolutionThepainmaymoveMusculoskeletalsystem(muscles,tendons,andbones)adaptsBodyismeanttomove