RSII,Oswestry(OsScore)andmodifiedO’Driscoll.Intra- andinter-observerreliabilitywereevaluatedforeachscore. Inaddition,thepavement–ceilingeffectandtheBland– AltmanCoefficientofRepeatabilitywerethenevaluated foreachsub-itemofeveryscore. ResultsIntra-observerreliabilitywashighforall observersineveryscore,eventho...