Asian Spine J.
2017 Apr;11(2):256-263. 10.4184/asj.2017.11.2.256.
Relationships among Disability, Quality of Life, and Physical Fitness in Lumbar Spinal Stenosis: An Investigation of Elderly Korean Women
- Affiliations
-
- 1Department of Sports Science, Korea Institute of Sports Science, Seoul, Korea.
- 2Department of Orthopaedic Surgery, Spine Center, National Medical Center, Seoul, Korea. tongnam4@gmail.com
- 3Department of Orthopaedic Surgery, Spine Center, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
- 4Department of Sports Science, Sungkyunkwan University, Suwon, Korea.
- 5Department of Sports Medicine, Kyung Hee University, Yongin, Korea.
- KMID: 2377759
- DOI: http://doi.org/10.4184/asj.2017.11.2.256
Abstract
- STUDY DESIGN: A cross-sectional, case-control study.
PURPOSE: To investigate associations between physical fitness measures and disabilities related to back pain and quality of life (QOL) by the presence of symptomatic lumbar spinal stenosis (LSS) in elderly Korean women.
OVERVIEW OF LITERATURE: LSS leads to decreased functioning and reduced QOL. However, correlations among physical fitness, disability, and QOL have not been investigated in elderly women with LSS.
METHODS
Participants included women aged 65 years and older (n=192), divided into a study group (n=38) and a control group (n=154) based on the presence/absence of LSS. All participants underwent physical function and fitness tests. Oswestry disability index (ODI) scores and EuroQol five-dimensional questionnaire (EQ-5D-5L) scores were used to assess disability and health-related QOL.
RESULTS
The results for the handgrip strength, sit-and-reach, functional reach, and timed up and go (TUG) tests were significantly higher in the control group than the LSS group. ODI scores were significantly higher and EQ-5D-5L scores significantly lower in the LSS group. TUG and functional reach test scores were significantly correlated with ODI scores, and handgrip strength was strongly interrelated with ODI and EQ-5D-5L scores in the LSS group. No other physical fitness measures showed statistically significant relationships with ODI or EQ-5D-5L scores.
CONCLUSIONS
In elderly Korean women with LSS, back pain-related disability and QOL are significantly associated with some physical fitness parameters such as handgrip strength. Handgrip strength reflects general muscle strength, which is significantly interrelated with the level of disability and QOL. Our results suggest that enhancing generalized muscle strength helps to reduce disability due to back pain and improve QOL in patients with LSS.
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