J. Ashton-Miller

Publications301
h-index65
Citations12,834
Highly Influential Citations650
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Functional Anatomy of the Female Pelvic Floor
Abstract:  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… Expand
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Obstetric Factors Associated With Levator Ani Muscle Injury After Vaginal Birth
OBJECTIVE: To identify obstetric factors associated with development of levator ani injury after vaginal birth. METHODS: Magnetic resonance images were taken of the pelvic floor of 160 women 9 to 12… Expand
  • 405
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Stepping over obstacles: dividing attention impairs performance of old more than young adults.
BACKGROUND Tripping over an obstacle is a common cause of falls in the elderly. An earlier study of abilities to avoid stepping on suddenly appearing obstacles found that, although healthy old adults… Expand
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Age differences in using a rapid step to regain balance during a forward fall.
BACKGROUND Earlier studies showed that healthy old adults have substantially reduced abilities to develop joint torques rapidly. We hypothesized that this age decline would reduce abilities to regain… Expand
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Comparison of Levator Ani Muscle Defects and Function in Women With and Without Pelvic Organ Prolapse
BACKGROUND: To compare levator ani defects and pelvic floor function among women with prolapse and controls. METHODS: Levator ani structure and function were measured in a case–control study with… Expand
  • 368
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A Gender-Related Difference in the Contribution of the Knee Musculature to Sagittal-Plane Shear Stiffness in Subjects with Similar Knee Laxity
Background: Women’s susceptibility to injuries involving the anterior cruciate ligament remains unexplained. Volitional contraction of the knee musculature is known to increase the resistance of the… Expand
  • 176
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The Relationship between Quadriceps Muscle Force, Knee Flexion, and Anterior Cruciate Ligament Strain in an in Vitro Simulated Jump Landing
Background An instrumented cadaveric knee construct was used to quantify the association between impact force, quadriceps force, knee flexion angle, and anterior cruciate ligament relative strain in… Expand
  • 187
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What Strains the Anterior Cruciate Ligament During a Pivot Landing?
Background: The relative contributions of an axial tibial torque and frontal plane moment to anterior cruciate ligament (ACL) strain during pivot landings are unknown. Hypothesis: The peak normalized… Expand
  • 132
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Effect of Neck Muscle Strength and Anticipatory Cervical Muscle Activation on the Kinematic Response of the Head to Impulsive Loads
Background: Greater neck strength and activating the neck muscles to brace for impact are both thought to reduce an athlete’s risk of concussion during a collision by attenuating the head’s kinematic… Expand
  • 108
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Comparison of levator ani muscle defects and function in women with and without pelvic organ prolapse
The levator ani muscles are critical for providing upward support to the pelvic organs and minimizing the load on the connective tissue that attaches these organs to the pelvis. When the muscles… Expand
  • 192
  • 13