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The relationships between muscle strength, biomechanical functional moments and health-related quality of life in non-elite older adults

The relationships between muscle strength, biomechanical functional moments and health-related quality of life in non-elite older adults
The relationships between muscle strength, biomechanical functional moments and health-related quality of life in non-elite older adults
Objective: to investigate the association between muscle strength, biomechanical functional moments during everyday tasks and health-related quality of life (HRQoL) in older adults.

Methods: eighty-four healthy adults aged 60-88 years were tested. A torque dynamometer was utilised to measure muscle moments at the knee and hip joints. Functional assessment involved 3-D biomechanical analysis of gait, chair rise and sit-down, stair ascent and descent using an 8-camera VICON® system with Kistler force plates. HRQoL was assessed using the Short Form- 36 (SF-36) questionnaire.

Results: Spearman’s correlation coefficient showed significant correlation (p<0.001) between isometric strength and functional moments (r=0.24 to 0.67). Muscle strength was significantly correlated with SF-36 scores, including physical functioning, bodily pain, vitality, social functioning and role emotional scores. Knee flexion moment was correlated with role physical, vitality, social functioning, role emotional, mental health and mental component scores (r=0.24 to 0.40).

Conclusion: loss of muscle strength is associated with poorer functional ability and both are associated with reduced HRQoL. The reduction of HRQoL is considerable in the physical functioning domain. Cause and effect was not established but studies need to be undertaken to evaluate the benefits of strength training, functional activity training or increased participation in life

0002-0729
224-230
Samuel, D.
03b00738-9b9c-4c0a-a85a-cf43fc0932fc
Rowe, Philip
014e88d8-5eae-4d97-a85b-f44a027844f6
Hood, Victoria
55612243-1324-44aa-83ac-fab782977d74
Nicol, Alexander
9b8e7d75-a832-4119-ac4d-347f3f52042e
Samuel, D.
03b00738-9b9c-4c0a-a85a-cf43fc0932fc
Rowe, Philip
014e88d8-5eae-4d97-a85b-f44a027844f6
Hood, Victoria
55612243-1324-44aa-83ac-fab782977d74
Nicol, Alexander
9b8e7d75-a832-4119-ac4d-347f3f52042e

Samuel, D., Rowe, Philip and Hood, Victoria et al. (2012) The relationships between muscle strength, biomechanical functional moments and health-related quality of life in non-elite older adults. Age and Ageing, 41 (2), 224-230. (doi:10.1093/ageing/afr156).

Record type: Article

Abstract

Objective: to investigate the association between muscle strength, biomechanical functional moments during everyday tasks and health-related quality of life (HRQoL) in older adults.

Methods: eighty-four healthy adults aged 60-88 years were tested. A torque dynamometer was utilised to measure muscle moments at the knee and hip joints. Functional assessment involved 3-D biomechanical analysis of gait, chair rise and sit-down, stair ascent and descent using an 8-camera VICON® system with Kistler force plates. HRQoL was assessed using the Short Form- 36 (SF-36) questionnaire.

Results: Spearman’s correlation coefficient showed significant correlation (p<0.001) between isometric strength and functional moments (r=0.24 to 0.67). Muscle strength was significantly correlated with SF-36 scores, including physical functioning, bodily pain, vitality, social functioning and role emotional scores. Knee flexion moment was correlated with role physical, vitality, social functioning, role emotional, mental health and mental component scores (r=0.24 to 0.40).

Conclusion: loss of muscle strength is associated with poorer functional ability and both are associated with reduced HRQoL. The reduction of HRQoL is considerable in the physical functioning domain. Cause and effect was not established but studies need to be undertaken to evaluate the benefits of strength training, functional activity training or increased participation in life

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More information

e-pub ahead of print date: 28 November 2011
Published date: 2012
Organisations: Health Sciences

Identifiers

Local EPrints ID: 191377
URI: http://eprints.soton.ac.uk/id/eprint/191377
ISSN: 0002-0729
PURE UUID: d05c82d3-90e0-48be-85a7-310ff2d1b197

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Date deposited: 21 Jun 2011 08:42
Last modified: 14 Mar 2024 03:44

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Contributors

Author: D. Samuel
Author: Philip Rowe
Author: Victoria Hood
Author: Alexander Nicol

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