A Magnetic Resonance Imaging Investigation of the Transversus Abdominis Muscle During Drawing-in of the Abdominal Wall in Elite Australian Football League Players With and Without Low Back Pain

Hides, Julie; Boughen, Carly L.; Stanton, Warren R.; Strudwick, Mark; Wilson, Stephen J.

doi:10.2519/jospt.2010.3177

Cited by 55 publications

(49 citation statements)

References 46 publications

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“…Future investigation of CSAs of hip-region muscles in dancers with both hip pain and LBP may prove informative. In addition, as changes in control of the abdominal muscles are commonly reported in association with LBP in athletes, 16,18 further examination of CSAs of these muscles in dancers could be valuable. Although several authors have reported higher fat content in the multifidus in people with LBP, 26,37,40 qualitatively, our dancer population had very little fat in any of the muscles studied.…”

Section: Discussionmentioning

confidence: 99%

Size and Symmetry of Trunk Muscles in Ballet Dancers With and Without Low Back Pain

Gildea¹,

Hides²,

Hodges³

2013

J Orthop Sports Phys Ther

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[ research report ] C lassical ballet dancers are a unique combination of athlete and artist who perform complex movement patterns requiring both muscle strength and control. Ballet places particularly high demands on the trunk due to the requirement for extreme range of motion and tolerance of high compressive forces.1 A possible sequela of these spinal loads may be low back pain (LBP), which is consistently reported to be one of the most prevalent chronic injuries in professional ballet dancers. 2,9,14,25 In nondancers, LBP is associated with musculoskeletal changes, including alteration in muscle size, symmetry, 3,4,11,22 and fat content. 37 These changes include reduced cross-sectional area (CSA) of the multifidus in patients with acute, subacute, 22 and chronic LBP. 3,11 Two investigations found that people with unilateral LBP had a smaller multifidus on the side 3,22 and at the spinal level of pain.22 These changes were associated with longer symptom duration.3 Another study found that people with unilateral LBP had decreased CSA of the multifidus bilaterally and symmetrically.4 By contrast, when the CSA of the erector spinae has been differentiated from the multifidus, changes in CSA have not been demonstrated in active people with chronic LBP. 4,11 Changes in other muscles have been identified. The CSA of the psoas muscle has been shown to be reduced bilaterally in people with chronic LBP, 40 and this decrease in CSA has been associated with increased symptom duration on the painful side in individuals with unilateral LBP.3,10 In cricketers with LBP, when compared with pain-free cricketers, the T T STUDY DESIGN: Cross-sectional, observational study. T T OBJECTIVES:To investigate the cross-sectional area (CSA) of trunk muscles in professional ballet dancers with and without low back pain (LBP). T T BACKGROUND:LBP is the most prevalent chronic injury in classical ballet dancers. Research on nondancers has found changes in trunk muscle size and symmetry to be associated with LBP. There are no studies that examine these changes in ballet dancers. T T METHODS:Magnetic resonance imaging was performed in 14 male and 17 female dancers. The CSAs of 4 muscles (multifidus, lumbar erector spinae, psoas, and quadratus lumborum) were measured and compared among 3 groups of dancers: those without LBP or hip pain (n = 8), those with LBP only (n = 13), and those with both hip-region pain and LBP (n = 10). T T RESULTS:Dancers with no pain had larger multifidus muscles compared to those with LBP at L3-5 (P<.024) and those with both hip-region pain and LBP at L3 and L4 on the right side (P<.027). Multifidus CSA was larger on the left side at L4 and L5 in dancers with hip-region pain and LBP compared to those with LBP only (P<.033). Changes in CSA were not related to the side of pain (all, P>.05). The CSAs of the other muscles did not differ between groups. The psoas (P<.0001) and quadratus lumborum (P<.01) muscles were larger in male dancers compared to female dancers. There was a positive correlation between the size of th...

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Section: Discussionmentioning

confidence: 99%

Size and Symmetry of Trunk Muscles in Ballet Dancers With and Without Low Back Pain

Gildea¹,

Hides²,

Hodges³

2013

J Orthop Sports Phys Ther

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“…Furthermore, training people to voluntarily contract the TrA muscle using imaging technologies has resulted in earlier EMG onset of the TrA muscle during arm movements. 65,66 The ability to voluntarily contract the TrA muscle has been examined in elite AFL players, 24,29 and results have shown that players with LBP have a reduced ability to "draw in" the abdominal wall. However, poor ability to perform the muscle test for the TrA muscle has not been used to examine the impact on injury risk.…”

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confidence: 99%

Screening the Lumbopelvic Muscles for a Relationship to Injury of the Quadriceps, Hamstrings, and Adductor Muscles Among Elite Australian Football League Players

Hides¹,

Brown²,

Penfold³

et al. 2011

J Orthop Sports Phys Ther

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“…Hides et al (2010) compared the ability of 43 elite male Australian football players with and without LBP from a single club to contract the abdominal wall. The ability of professional football players with current LBP to draw in the abdominal wall was significantly reduced in comparison to asymptomatic players (14). Moreover, in the second study, this deficit was found to be more evident in the lower abdominal region (13).…”

Section: Resultsmentioning

confidence: 99%

“…Three MRI studies, all performed by the same research group, measuring the thickness of the abdominal and pelvic muscles were eligible (13)(14)(15). Hides et al (2010) compared the ability of 43 elite male Australian football players with and without LBP from a single club to contract the abdominal wall. The ability of professional football players with current LBP to draw in the abdominal wall was significantly reduced in comparison to asymptomatic players (14).…”

Section: Resultsmentioning

confidence: 99%

“…Therefore, understanding the MCIs associated with LBP can assist in planning of more effective management of athletes who suffering from LBP. Although different studies have been conducted on MCI in athletes with LBP (13)(14)(15)(16)(17)(18)(19)(20)(21) it is necessary to investigate the MCIs in various sports in sports-specific functions separately.…”

Section: Sheikhhoseini R Et Al (2016) Ann Appl Sport Sci 4(4): mentioning

confidence: 99%

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Altered Motor Control in Athletes with Low Back Pain: a Literature Review

Sheikhhoseini

O’Sullivan

Alizadeh

et al. 2016

Ann. Appl. Sport Sci

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Low back pain (LBP) is also one of the most common medical conditions in athletes. There is little doubt that patients with LBP use from their body differently than pain free individuals. The purpose of this review was to investigate changes in motor control which may be present in athletes with LBP. The search strategy for this review consisted of an electronic database search of full text in MEDLINE database. 28 studies met the eligibility criteria, most of which were cross-sectional in nature. The studies were analyzed separately according to the specific sports involved. The studies demonstrate that athletes with LBP exhibit a range of MCI in the trunk, lumbopelvic region and lower extremities. However, inconsistencies were apparent between the results. Athletes with LBP demonstrate MCI during functional and non-functional tasks, similar to non-athletes. More studies, especially large prospective studies which control for non-mechanical factors which may also differ among athletes with LBP are required to determine the relationship between LBP and MCI in athletes.

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A Magnetic Resonance Imaging Investigation of the Transversus Abdominis Muscle During Drawing-in of the Abdominal Wall in Elite Australian Football League Players With and Without Low Back Pain

Cited by 55 publications

References 46 publications

Size and Symmetry of Trunk Muscles in Ballet Dancers With and Without Low Back Pain

Size and Symmetry of Trunk Muscles in Ballet Dancers With and Without Low Back Pain

Screening the Lumbopelvic Muscles for a Relationship to Injury of the Quadriceps, Hamstrings, and Adductor Muscles Among Elite Australian Football League Players

Altered Motor Control in Athletes with Low Back Pain: a Literature Review

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