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Randomized Controlled Trial
. 2014 Sep;46(9):1693-701.
doi: 10.1249/MSS.0000000000000294.

Resistance exercise, disability, and pain catastrophizing in obese adults with back pain

Heather K Vincent  1 , Steven Z George, Amanda N Seay, Kevin R Vincent, Robert W Hurley
Affiliations
Randomized Controlled Trial

Resistance exercise, disability, and pain catastrophizing in obese adults with back pain

Heather K Vincent et al. Med Sci Sports Exerc. 2014 Sep.

Abstract

Purpose: The purpose of this study was to compare the effects of two different resistance exercise protocols on self-reported disability, fear avoidance beliefs, pain catastrophizing, and back pain symptoms in obese, older adults with low back pain (LBP).

Methods: Obese adults (n = 49, 60-85 yr) with chronic LBP were randomized into a total body resistance exercise intervention (TOTRX), lumbar extensor exercise intervention (LEXT), or a control group (CON). Main outcomes included perceived disability (Oswestry Disability Index, Roland Morris Disability Questionnaire). Psychosocial measures included the Fear Avoidance Beliefs survey, Tampa Scale of Kinesiophobia, and Pain Catastrophizing Scale. LBP severity was measured during three functional tasks: walking, stair climbing, and chair rise using an 11-point numerical pain rating scale.

Results: The TOTRX group had greater reductions in self-reported disability scores due to back pain (Oswestry Disability Index, Roland Morris Disability Questionnaire) compared with those in the LEXT (P < 0.05). The Pain Catastrophizing Scale scores decreased in the TOTRX group compared with that in the CON group by month 4 (64.3% vs 4.8%, P < 0.05). Pain severity during chair rise activity and walking was decreased in both the LEXT and TOTRX groups relative to the CON group.

Conclusions: Greater reductions in perceived disability due to LBP can be achieved with TOTRX compared with those achieved with LEXT. Pain catastrophizing and pain severity decreased most with TOTRX. The positive change in psychological outlook may assist obese, older adults with chronic back pain in reconsidering the harmfulness of the pain and facilitate regular participation in other exercise programs.

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Conflict of interest statement

Conflict of interest: none to report

Figures

Figure 1
Figure 1
Study flow diagram. LEXT = lumbar extension resistance exercise group, TOTRX = total body resistance exercise group.
See this image and copyright information in PMC

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