Screening the lumbopelvic muscles for a relationship to injury of the quadriceps, hamstrings, and adductor muscles among elite Australian Football League players

Hides, Julie A., Brown, Cassandra T., Penfold, Lachlan and Stanton, Warren R. (2011) Screening the lumbopelvic muscles for a relationship to injury of the quadriceps, hamstrings, and adductor muscles among elite Australian Football League players. Journal of Orthopaedic and Sports Physical Therapy, 41 10: 767-775. doi:10.2519/jospt.2011.3755


Author Hides, Julie A.
Brown, Cassandra T.
Penfold, Lachlan
Stanton, Warren R.
Title Screening the lumbopelvic muscles for a relationship to injury of the quadriceps, hamstrings, and adductor muscles among elite Australian Football League players
Journal name Journal of Orthopaedic and Sports Physical Therapy   Check publisher's open access policy
ISSN 0190-6011
1938-1344
Publication date 2011-10
Sub-type Article (original research)
DOI 10.2519/jospt.2011.3755
Volume 41
Issue 10
Start page 767
End page 775
Total pages 9
Place of publication Alexandria, VA, United States
Publisher American Physical Therapy Association
Collection year 2012
Language eng
Formatted abstract
STUDY DESIGN: Longitudinal observational study.
OBJECTIVES: To examine the relationship between severity of preseason hip, groin, and thigh (HGT) muscle injuries, and lumbopelvic muscle size, asymmetry, and function at the start and end of the preseason.
BACKGROUND: In Australian Rules Football, HGT muscle injuries have the highest prevalence and incidence. Deficits within the lumbopelvic region, such as impaired muscle function and muscle asymmetry, could contribute to injuries in the preseason, and injury could, in turn, affect muscle size and function.
METHODS: MRI examinations were performed on 47 male elite Australian Rules Football players at the start and at the end of the football preseason. The cross-sectional area (CSA) of multifidus, psoas major, and quadratus lumborum muscles was measured, as well as change in trunk CSA due to the function of voluntarily contracting the transversus abdominis muscle. Injuries occurring during each preseason training session were routinely recorded by the club's performance staff.
RESULTS: Analysis of variance indicated that players with more severe preseason HGT injuries (more training sessions missed) had significantly smaller multifidus muscle CSA compared to players with no HGT injury (P = .006). No relationship was found for size or asymmetry of the quadratus lumborum or psoas major muscles, or ability to contract the transversus abdominis muscle through drawing in of the abdominal wall (P>.05). Small multifidus muscle size at L5 predicted 5 of 6 players who incurred a more severe HGT injury.
CONCLUSIONS: An association between multifidus muscle size (relative to age, height, and weight) and preseason injury suggests a way to identify players at risk of severe HGT injuries. This result needs to be replicated in a larger sample before resources are committed to intervention efforts.
Keyword Hip
MRI
Multifidus
Pelvis
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Non HERDC
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