Levator Ani Hiatus
Levator Ani Hiatus - Related Videos
07:41
Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse
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Cited by 2 •
2019
Here we present a protocol to standardize the measurement of the levator ani hiatus size by magnetic resonance imaging. The purpose is to extract biomechanical inferences from image analysis by comparing resting and straining values in patients of both sexes with pelvic prolapse, using consistent anatomical bony landmarks.
07:09
Subcutaneous Administration of Muscarinic Antagonists and Triple-Immunostaining of the Levator Auris Longus Muscle in Mice
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Cited by 7 •
2011
We describe procedures for repeated administration of inhibitors of muscarinic signaling to the levator auris longus (LAL) muscle of young adult mice and for subsequent immunostaining of its neuromuscular junctions (NMJs) in wholemounts. The LAL muscle has unique advantages for revealing in vivo pharmacological effects on NMJs.
10:45
Levator Auris Longus Preparation for Examination of Mammalian Neuromuscular Transmission Under Voltage Clamp Conditions
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Cited by 9 •
2018
The protocol described in this paper uses the mouse levator auris longus (LAL) muscle to record spontaneous and nerve-evoked postsynaptic potentials (current-clamp) and currents (voltage-clamp) at the neuromuscular junction. Use of this technique can provide key insights into mechanisms of synaptic transmission under normal and disease conditions.
04:44
Combined In Vivo Electroporation and Short-Term Reinnervation of the Cranial Levator Auris Longus Skeletal Muscle
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Cited by 1 •
2024
Here, we present a protocol that combines in vivo electroporation and denervation of the cranial levator auris longus (LAL) muscle. This procedure enables the study of the potential role of muscle-derived proteins in the regeneration of the neuromuscular synapse.
10:32
Transvaginal Mesh Insertion in the Ovine Model
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Cited by 11 •
2017
This protocol describes mesh implantation in the ovine rectovaginal septum using a single vaginal incision technique, with and without the trocar-guided insertion of anchoring arms.
FAQs
Their coordinated activity helps determine the hiatus’s size and shape while maintaining pelvic floor support. This coordination allows the urethra, vagina, and rectum to function as passages without losing the underlying muscular support. Changes in this balance can therefore affect continence, pelvic organ support, and the ability to perform urination, defecation, or childbirth normally.
The pelvic floor must remain sufficiently supportive to help maintain the position of pelvic organs, yet flexible enough to permit movement through the pelvic outlet. The hiatus provides the anatomical space where this balance occurs. Its muscular control is consequently relevant to continence and to normal urinary, anorectal, and reproductive functions.
Because hiatus size and shape depend on coordinated levator ani activity, altered muscular coordination may influence pelvic floor performance. The resulting dysfunction can be associated with impaired pelvic organ support or continence. Studying these anatomical relationships helps clinicians connect structural findings in the hiatus with symptoms involving urinary, anorectal, or reproductive function.
Anatomical study and imaging characterize the region’s structure and the relationship between the hiatus, levator ani muscles, and passing pelvic organs. These evaluations can help clinicians assess pelvic floor dysfunction and examine mechanisms associated with pelvic organ prolapse. They also provide structural context when evaluating urinary, anorectal, or reproductive disorders.
Assessment is relevant when clinicians investigate pelvic floor dysfunction, suspected pelvic organ prolapse, or disorders involving urinary, anorectal, or reproductive function. Examining the hiatus can help relate symptoms to the support provided by the levator ani muscles and to the passage of pelvic organs between the pelvic cavity and perineum.
Imaging can help clinicians study the anatomical arrangements that support pelvic organs and examine how the levator ani region relates to prolapse mechanisms. It is therefore useful for evaluating structural features alongside clinical findings. This information may guide assessment of pelvic floor dysfunction and clarify whether urinary, anorectal, or reproductive symptoms involve the pelvic floor.