THEHUMANEXTREMITIESMECHANICAlDiagnosisANDTHERAPYBYROBINMCKENZIEANDSTEPHENMAYTheabilitytotreatmusculoskeletaldisordersaffectingthesofttissuesandjointsofthebodyisarelativelymodemconcept.Inthepast,pain,stiffnessandinjuryweresimplytolerateduntilthebodyadaptedorbrokedowncompletely.RepetitiveStrainInjury,housemaidsknee,tenniselbowandgeneralphysicaldysfunctionwereacceptedaspartoflifesageingprocess...