• Ben Darlow, Meredith Perry, Sarah Dean, Fiona Mathieson, G David Baxter, and Anthony Dowell.
• Department of Primary Health Care and General Practice, University of Otago, Wellington, New Zealand. Electronic address: ben.darlow@otago.ac.nz.
• Arch Phys Med Rehabil. 2016 Feb 1; 97 (2): 245-251.e7.

ObjectiveTo analyze attitudes and beliefs about movement and physical activity in people with low back pain (LBP) and compare these beliefs between people with acute and chronic LBP.DesignQualitative inductive analysis of data collected via face-to-face semistructured interviews. Interviews were audio-recorded and transcribed verbatim.SettingParticipants were purposively recruited from 1 region of New Zealand.ParticipantsPersons with LBP (N=23), consisting of individuals with acute LBP (<6wk; n=12) and chronic LBP (>3mo; n=11).InterventionsNot applicable.Main Outcome MeasureThemes that emerged from participant interview transcripts using analysis based on Interpretative Description.ResultsParticipants with acute and chronic LBP made judgments about physical activity and rest using the same conceptual model. Concerns about creating more pain, tissue damage, or impairment influenced the physical activity judgments of most participants with acute and chronic LBP. These perceived risks were balanced against the perceived benefits, the most important of which were psychological or social rather than physical. Judgments made by those with acute and chronic LBP were context dependent and influenced by the nature and duration of pain, the type of physical activity, the importance of the activity, and the participant's previous experience. Participants with acute pain who had not experienced back pain previously often expressed more uncertainty, whereas those with chronic LBP appeared to have developed cognitive rules that determined physical activity decisions.ConclusionsExploring the perceived risks, benefits, and contextual factors that influence decisions about physical activity and rest may help clinicians to understand the behavior of patients with acute and chronic LBP. Clinicians may best support their patients to engage in physical activity by providing an informed assessment of risks and an explanation about the range of potential benefits.Copyright © 2016 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.

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