J
James A. Ashton-Miller
Researcher at University of Michigan
Publications - 327
Citations - 18668
James A. Ashton-Miller is an academic researcher from University of Michigan. The author has contributed to research in topics: Poison control & Anterior cruciate ligament. The author has an hindex of 77, co-authored 311 publications receiving 17098 citations. Previous affiliations of James A. Ashton-Miller include University of Queensland & Procter & Gamble.
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Journal ArticleDOI
Comparison of levator ani muscle defects and function in women with and without pelvic organ prolapse
John O.L. DeLancey,Daniel M. Morgan,Dee E. Fenner,Rohna Kearney,Kenneth E. Guire,Janis M. Miller,Hero K. Hussain,Wolfgang Umek,Yvonne Hsu,James A. Ashton-Miller +9 more
TL;DR: Women with prolapse more often have defects in the levator ani and generate less vaginal closure force during a maximal contraction than controls.
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Functional anatomy of the female pelvic floor.
TL;DR: The anatomic structures in the female that prevent incontinence and genital organ prolapse on increases in abdominal pressure during daily activities include sphincteric and supportive systems.
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Obstetric factors associated with levator ani muscle injury after vaginal birth.
TL;DR: Injuries to the levator ani muscles in women after their first vaginal delivery are associated with several obstetric factors indicating difficult vaginal birth and with older age.
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Levator ani muscle stretch induced by simulated vaginal birth.
TL;DR: The medial pubococcygeus muscles undergo the largest stretch of any levator ani muscles during vaginal birth and are therefore at the greatest risk for stretch-related injury.
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Stepping over obstacles: gait patterns of healthy young and old adults
TL;DR: Although all subjects successfully avoided the riskiest form of obstacle contact, tripping, 4/24 healthy old adults stepped on an obstacle, demonstrating an increased risk for obstacle contact with age.