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  • The relationship between the piriformis muscle, low back pain, lower limb injuries and motor control training among elite football players

    Author(s)
    Leung, Felix T
    Mendis, M Dilani
    Stanton, Warren R
    Hides, Julie A
    Griffith University Author(s)
    Mendis, Dilani D.
    Hides, Julie A.
    Leung, Felix T.
    Year published
    2015
    Metadata
    Show full item record
    Abstract
    Objectives: Australian Football League (AFL) players have a high incidence of back injuries. Motor control training to increase lumbopelvic neuromuscular control has been effective in reducing low back pain (LBP) and lower limb injuries in elite athletes. Control of pelvic and femoral alignment during functional activity involves the piriformis muscle. This study investigated (a) the effect of motor control training on piriformis muscle size in AFL players, with and without LBP, during the playing season, and (b) whether there is a relationship between lower limb injury and piriformis muscle size. Design: Stepped-wedge ...
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    Objectives: Australian Football League (AFL) players have a high incidence of back injuries. Motor control training to increase lumbopelvic neuromuscular control has been effective in reducing low back pain (LBP) and lower limb injuries in elite athletes. Control of pelvic and femoral alignment during functional activity involves the piriformis muscle. This study investigated (a) the effect of motor control training on piriformis muscle size in AFL players, with and without LBP, during the playing season, and (b) whether there is a relationship between lower limb injury and piriformis muscle size. Design: Stepped-wedge intervention. Methods: 46 AFL players participated in a motor control training programme consisting of two 30. min sessions per week over 7-8 weeks, delivered across the season as a randomised 3 group single-blinded stepped-wedge design. Assessment of piriformis muscle cross-sectional area (CSA) involved magnetic resonance imaging (MRI) at 3 time points during the season. Assessment of LBP consisted of player interview and physical examination. Injury data were obtained from club records. Results: An interaction effect for Time, Intervention Group and LBP group (F=3.7, p=0.03) was found. Piriformis muscle CSA showed significant increases between Times 1 and 2 (F=4.24, p=0.046), and Times 2 and 3 (F=8.59, p=0.006). Players with a smaller increase in piriformis muscle CSA across the season had higher odds of sustaining an injury (OR. =1.08). Conclusions: Piriformis muscle size increases across the season in elite AFL players and is affected by the presence of LBP and lower limb injury. Motor control training positively affects piriformis muscle size in players with LBP.
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    Journal Title
    Journal of Science and Medicine in Sport
    Volume
    18
    Issue
    4
    DOI
    https://doi.org/10.1016/j.jsams.2014.06.011
    Subject
    Sports science and exercise
    Medical physiology
    Science & Technology
    Life Sciences & Biomedicine
    Sport Sciences
    Piriformis
    Australian Football League
    Publication URI
    http://hdl.handle.net/10072/396259
    Collection
    • Journal articles

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