WhyPulmonaryRehabilitation,MuscleweaknessFatigue,anxiety,isolation,SkeletalMuscleinCOPD,JobinJ,etal.JCardiopulmonaryRehab1998.Bernardetal.AJRCCM1998.,TypeII57%,LimitingsymptomsinCOPDpatientsatpeakexercise,KillianKJ,etal.1992.,ATS/ERSStatementonPR2006,ATS/ERSStatementonPR2006,EvidenceforPR,Evidence(levella)ImprovementsinexercisetoleranceReductioninthesensationofdyspnoeaImprovementinhealthrelatedqualityoflife(HRQoL).Evidence(levellb)ImprovementinperipheralmusclestrengthandmassReductionsinnu