Quantified biomechanical properties of lower lumbar myofascia in younger adults with chronic idiopathic low back pain and matched healthy controls

Non-specific chronic low back pain (LBP) is a prevalent condition that is poorly understood with respect to possible altered physical properties. Five biomechanical properties of stiffness, frequency, decrement, creep, and stress relaxation time of the L3-L4 myofascial tissue were quantified using t...

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Bibliographic Details
Published in:Clinical biomechanics (Bristol) 2020-03, Vol.73, p.78-85
Main Authors: Ilahi, Sadia, T. Masi, Alfonse, White, Allison, Devos, Amanda, Henderson, Jacqueline, Nair, Kalyani
Format: Article
Language:English
Subjects:
Adult
Biomechanical Phenomena
Biomechanical properties
Case-Control Studies
Chronic Disease
Decrement
Electromyography
Female
Humans
Idiopathic low back pain
Linear elastic
Low Back Pain - physiopathology
Lumbar Vertebrae - physiopathology
Male
Mechanical Phenomena
Middle Aged
Muscle, Skeletal - physiopathology
Prone Position
Rest
Stress relaxation time
Viscoelastic
Young Adult
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Summary:Non-specific chronic low back pain (LBP) is a prevalent condition that is poorly understood with respect to possible altered physical properties. Five biomechanical properties of stiffness, frequency, decrement, creep, and stress relaxation time of the L3-L4 myofascial tissue were quantified using the MyotonPro® in chronic idiopathic LBP and matched normal control subjects. Measurements were obtained in the resting prone position on the left and right sides (initially and after 10 min rest) in 25 chronic LBP participants (16 female, 9 male) and 25 age- and sex-matched control subjects. Surface electromyography measurements were simultaneously conducted to ensure a resting state. Female LBP had significantly greater median decrement (p 
ISSN:0268-0033
1879-1271
DOI:10.1016/j.clinbiomech.2019.12.026