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Roland?Morris ~ in Word or as Adobe Acrobat The Roland-Morris instrument was developed as an abbreviated SIP (sickness index profile) and is specific for low back pain, like the Revised Oswestry Disability Index. This questionnaire of 24 items can be administered in five minutes and has been validated in randomized trials of spinal manipulation. It was shown to be at least as reliable as the full SIP in cases of acute low back pain.