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    The effects of a free-weight-based resistance training intervention on pain, squat biomechanics and MRI-defined lumbar fat infiltration and functional cross-sectional area in those with chronic low back.

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    Author
    Welch, N; Moran, K; Antony, J; Richter, C; Marshall, B; Coyle, J; Falvey, E; Franklyn-Miller, A
    Date
    2015
    Source Title
    BMJ Open Sport and Exercise Medicine
    Publisher
    BMJ
    University of Melbourne Author/s
    Franklyn-Miller, Andrew
    Affiliation
    Physiotherapy
    Metadata
    Show full item record
    Document Type
    Journal Article
    Citations
    Welch, N., Moran, K., Antony, J., Richter, C., Marshall, B., Coyle, J., Falvey, E. & Franklyn-Miller, A. (2015). The effects of a free-weight-based resistance training intervention on pain, squat biomechanics and MRI-defined lumbar fat infiltration and functional cross-sectional area in those with chronic low back.. BMJ Open Sport Exerc Med, 1 (1), pp.e000050-. https://doi.org/10.1136/bmjsem-2015-000050.
    Access Status
    Open Access
    URI
    http://hdl.handle.net/11343/257665
    DOI
    10.1136/bmjsem-2015-000050
    Open Access at PMC
    http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5117021
    Abstract
    BACKGROUND: Low back pain is one of the most prevalent musculoskeletal conditions in the world. Many exercise treatment options exist but few interventions have utilised free-weight resistance training. To investigate the effects of a free-weight-based resistance training intervention on pain and lumbar fat infiltration in those with chronic low back pain. METHODS: Thirty participants entered the study, 11 females (age=39.6±12.4 years, height=164 cm±5.3 cm, body mass=70.9±8.2 kg,) and 19 males (age=39.7±9.7 years, height=179±5.9 cm, body mass=86.6±15.9 kg). A 16-week, progressive, free-weight-based resistance training intervention was used. Participants completed three training sessions per week. Participants completed a Visual Analogue Pain Scale, Oswestry Disability Index and Euro-Qol V2 quality of life measure at baseline and every 4 weeks throughout the study. Three-dimensional kinematic and kinetic measures were used for biomechanical analysis of a bodyweight squat movement. Maximum strength was measured using an isometric mid-thigh pull, and lumbar paraspinal endurance was measured using a Biering-Sorensen test. Lumbar paraspinal fat infiltration was measured preintervention and postintervention using MRIs. RESULTS: Postintervention pain, disability and quality of life were all significantly improved. In addition, there was a significant reduction in fat infiltration at the L3L4 and L4L5 levels and increase in lumbar extension time to exhaustion of 18%. CONCLUSIONS: A free-weight-based resistance training intervention can be successfully utilised to improve pain, disability and quality of life in those with low back pain.

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