Pelvic Floor Muscles
Pelvic Floor Muscles - Related Videos
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Muscles of the Pelvic Floor and Perineum
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2025
The muscles of the pelvic floor and perineum are crucial for supporting the pelvic organs, controlling continence, and aiding in sexual function, childbirth, and core stability. They are typically divided into the superficial perineal layer and the deep pelvic floor layer. Perineal Layer The perineum is a diamond-shaped area below the pelvic diaphragm, divided into an anterior urogenital triangle that contains the external genitals and a posterior anal triangle housing the anus. The urogenital...
05:47
Isolation and Characterization of the Murine Uterosacral Ligaments and Pelvic Floor Organs
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Cited by 3 •
2023
This article presents a detailed protocol for dissecting uterosacral ligaments and other pelvic floor tissues, including the cervix, rectum, and bladder in mice, to expand the study of female reproductive tissues.
12:42
Pelvic Exam I: Assessment of the External Genitalia
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2023
Source: Alexandra Duncan, GTA, Praxis Clinical, New Haven, CT Tiffany Cook, GTA, Praxis Clinical, New Haven, CT Jaideep S. Talwalkar, MD, Internal Medicine and Pediatrics, Yale School of Medicine, New Haven, CT The pelvic exam can feel invasive to patients, so it is important to do everything possible to make patients feel comfortable and empowered, rather than vulnerable. Clinicians should be aware of how they are communicating, both verbally and nonverbally, and should give their patients...
01:17
Price Floor
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2025
A price floor is a policy tool that sets a legal minimum price for a good or service. It is often implemented to protect producers from falling prices and ensure a fair income, particularly in the agricultural sector. However, when the price floor is established above the equilibrium price, it can disrupt the natural market balance. This can lead to unintended consequences such as lost consumer surplus and reduced market efficiency. When a price floor is imposed above the market-clearing price,...
10:58
Pelvic Exam II: Speculum Exam
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2023
Source: Alexandra Duncan, GTA, Praxis Clinical, New Haven, CT Tiffany Cook, GTA, Praxis Clinical, New Haven, CT Jaideep S. Talwalkar, MD, Internal Medicine and Pediatrics, Yale School of Medicine, New Haven, CT Providing comfortable speculum placement is an important skill for providers to develop, since the speculum is a necessary tool in many gynecological procedures. Patients and providers are often anxious about the speculum exam, but it is entirely possible to place a speculum without...
FAQs
Pelvic floor muscles adjust their activity by changing tension through controlled contraction and relaxation. As intra-abdominal pressure changes, this adjustment helps maintain support for pelvic organs while contributing to urinary and fecal continence. Their coordinated response also links local muscle action with diaphragm and abdominal wall activity, making pressure-related trunk control possible.
Coordination allows pelvic floor activity to contribute to trunk stability rather than functioning in isolation. The muscles adjust tension as intra-abdominal pressure changes, while their interaction with the diaphragm and abdominal wall helps organize the body’s response. Studying this coordination shows how several muscle groups contribute together to mechanical support and homeostasis.
Contraction increases muscle tension, supporting the pelvic region and contributing to continence and trunk stability. Relaxation allows that tension to decrease when sustained activation is not required. Alternating between these states gives the system controlled responses to changing intra-abdominal pressure and supports coordination with the anal and urethral sphincters.
A biological study should consider muscle structure, nerve supply, and motor control together. Structure indicates how the muscles are organized, nerve supply relates to their activation, and motor control explains how contraction and relaxation are coordinated. Examining these features helps connect pelvic floor function with homeostasis, continence, sexual function, and trunk stability.
They are particularly relevant to research on pelvic pain, incontinence, pregnancy, and rehabilitation. These areas apply biological knowledge of muscle contraction, relaxation, coordination, and support to questions about function and recovery. The same framework can also clarify how changes in motor control or muscle tension affect continence and trunk stability.
Rehabilitation research can consider coordination, not only the ability to contract. Investigators can relate controlled contraction and relaxation to continence, pelvic support, pressure changes, and trunk stability. This broader perspective is useful for examining pelvic pain, incontinence, pregnancy-related concerns, and recovery, because effective function depends on timing and interaction with other muscle systems.