Sexual Dimorphism of Acetabular Anatomy Based on Three-dimensional Computed Tomography Images of Pelvises

Musielak, Bartosz; Rychlik, Michał; Jóźwiak, Marek

doi:10.5604/15093492.1226275

Cited by 3 publications

(3 citation statements)

References 28 publications

(97 reference statements)

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Between men and women there are some differences in hip anatomy that are worth mentioning, which may help explain differences in knee valgus. For instance, the female pelvis is generally shorter and wider than the male pelvis, which is taller and narrower [27,28]. Also, men tend to have less hip range of motion compared to women, which can lead men to have movement compensations when working through a full range of motion [29,30].…”

Section: Discussionmentioning

confidence: 99%

A Biomechanical Comparison of the Safety-Bar, High-Bar and Low-Bar Squat around the Sticking Region among Recreationally Resistance-Trained Men and Women

Kristiansen

Larsen

Haugen

et al. 2021

IJERPH

View full text Add to dashboard Cite

Barbell placement can affect squat performance around the sticking region. This study compared kinematics, kinetics, and myoelectric activity of the safety-bar squat with the high-bar, and low-bar squat around the sticking region. Six recreationally resistance-trained men (26.3 ± 3.1 years, body mass: 81 ± 7.7 kg) and eight women (22.1 ± 2.2 years, body mass: 65.7 ± 10.5 kg) performed three repetition maximums in all three squat conditions. The participants lifted the least load with the safety bar followed by the high-bar and then the low-bar squat. Greater myoelectric activity of the gluteus maximus was observed during safety-bar squats than high-bar squats. Also, larger knee extension moments were observed for the safety bar compared with low-bar squat. Men had higher myoelectric activity in the safety-bar condition for the gluteus maximus during all regions in comparison with women, and greater knee valgus at the second occurrence of peak barbell velocity. Our findings suggest that the more upright torso inclination during the safety-bar could allow greater gluteus maximus contribution to the hip extensor moment. Moreover, low-bar squats allowed the greatest loads to be lifted, followed by the high-bar and safety-bar squats, possibly due to the larger hip moments and similar knee moments compared to the other squat conditions. Therefore, when the goal is to lift the greatest load possible among recreationally trained men and women, they should first attempt squatting with a low-bar technique, and if the goal is to increase myoelectric activity in the gluteus maximus, a safety-bar squat may be the more effective than the high- bar squat.

show abstract

Section: Discussionmentioning

confidence: 99%

A Biomechanical Comparison of the Safety-Bar, High-Bar and Low-Bar Squat around the Sticking Region among Recreationally Resistance-Trained Men and Women

Kristiansen

Larsen

Haugen

et al. 2021

IJERPH

View full text Add to dashboard Cite

show abstract

“…2). Once the acetabular axis had been defined, it was compared with the base of the sacrum 12,13 and described in three basic planes according to inclination, anteversion, and tilt angle (Fig. 3).…”

Section: Methodsmentioning

confidence: 99%

Acetabular shape and orientation of the spastic hip in children with cerebral palsy

Jóźwiak

Rychlik

Szymczak

et al. 2021

Develop Med Child Neuro

Self Cite

View full text Add to dashboard Cite

To see if three-dimensional (3D) methods could bring new understanding to acetabular changes in shape and orientation in the spastic hip and in which direction(s) acetabular orientation might change, which is crucial for planning appropriate hip correction surgery. METHOD We performed a retrospective study of pelvic computed tomography (CT) examinations in 20 consecutive patients (10 females, 10 males). The mean age of patients was 12 years 9 months (SD 2y; range: 9-16y) at the time of the CT examination. The control group consisted of 18 consecutive pelvic CT examinations (36 acetabula) of deceased individuals (six females, 12 males) aged 4 to 17 years (mean age: 10y 6mo; SD 5y 2mo) whose whole-body CT scans were taken shortly after their death. We compared 3D CT reconstructions of 28 unstable and dislocated hips in children with bilateral cerebral palsy (Gross Motor Function Classification System levels IV and V) with the unaffected side and typically developing controls to assess spatial orientation (inclination, anteversion, and tilt), acetabular volume, and surface area. Additionally, we analysed the multiple factors that may lead to structural and spatial changes of the acetabulum. RESULTS Patients with dislocated and spastic hips had significantly lower anteversion (À3.2°a nd À1.4°respectively, p<0.001), increased inclination (85.2°and 85.3°respectively, p<0.001), and decreased tilt (24.6°[p=0.014] and 20.7°[p=0.013] respectively) compared with typically developing individuals. Regarding acetabular volume and surface area, dislocated and unstable hips had significantly lower volume (17.6ml vs 31.5ml respectively, p<0.001) and surface area (28.9cm 2 vs 36.2cm 2 respectively, p<0.001) than unaffected hips. Among several factors, only Reimer's migration index had an influence on acetabular orientation (i.e. anteversion, p=0.01), volume (p<0.001), and surface (p=0.004). INTERPRETATION Acetabula in patients with spastic hip disease were severely retroverted with increased steepness; acetabular orientation was distorted superoposteriorly. In rare cases, acetabular orientation was distorted only superiorly or superoanteriorly.

show abstract

“…Ferner sind die Femurkondylen mehr trapezförmig und die Vorderseite ist schmäler. Beim Azetabulum weiß man, dass Frauen eine mehr nach anterior orientierte Pfanne haben [12].…”

Section: Muskel-ligament-skelett-systemunclassified

Frauen in der osteopathischen Praxis

Wagner¹

2018

View full text Add to dashboard Cite

Frau in der osteopathischen Praxis gerecht zu werden, ist ein komplexes Unterfangen. Dieser Beitrag will neue Forschungsergebnisse, biologische und soziale Komponenten sowie osteopathische Zugänge in Kontext zueinander stellenund so ein spannendes, umfassendes Bild zeichnen, das einerseits zum Nach-und Weiterdenken anregen soll und andererseits auch zu einem osteopathisch vertieften Arbeiten führen darf. Schau, eine Frau!Stellen wir uns einmal diesen gar nicht außergewöhnlichen Fall vor: Eine Frau kommt zur Behandlung.

show abstract

Sexual Dimorphism of Acetabular Anatomy Based on Three-dimensional Computed Tomography Images of Pelvises

Cited by 3 publications

References 28 publications

A Biomechanical Comparison of the Safety-Bar, High-Bar and Low-Bar Squat around the Sticking Region among Recreationally Resistance-Trained Men and Women

A Biomechanical Comparison of the Safety-Bar, High-Bar and Low-Bar Squat around the Sticking Region among Recreationally Resistance-Trained Men and Women

Acetabular shape and orientation of the spastic hip in children with cerebral palsy

Frauen in der osteopathischen Praxis

Contact Info

Product

Resources

About