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Ch. 11 The Muscular System
Martini - Fundamentals of Anatomy & Physiology 11th Edition
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089당신이 사용하는 게 아니라요?교과서 변경
11장, 문제 17

What three functions are accomplished by the muscles of the pelvic floor?

검증된 단계별 안내
1
Step 1: Understand that the pelvic floor muscles form a sling or hammock across the pelvic outlet, supporting the pelvic organs.
Step 2: Identify that one primary function is to support and maintain the position of pelvic organs such as the bladder, intestines, and uterus (in females).
Step 3: Recognize that these muscles contribute to controlling the openings of the urethra, anus, and in females, the vagina, thus playing a role in urinary and fecal continence.
Step 4: Note that the pelvic floor muscles assist in increasing intra-abdominal pressure during activities like coughing, sneezing, or lifting heavy objects, which helps stabilize the core.
Step 5: Summarize that the three main functions are: support of pelvic organs, control of continence, and contribution to core stability through pressure regulation.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Support of Pelvic Organs

The pelvic floor muscles provide crucial support to pelvic organs such as the bladder, uterus, and rectum. This support helps maintain the proper position of these organs, preventing prolapse and ensuring normal function.
추천 영상:
8:07
Pelvic Girdle

Control of Urinary and Fecal Continence

These muscles play a vital role in controlling the release of urine and feces by contracting and relaxing around the urethra and anus. This function is essential for maintaining continence and preventing involuntary leakage.
추천 영상:
2:57
The Urinary System

Facilitation of Childbirth and Sexual Function

Pelvic floor muscles assist during childbirth by helping to control the passage of the baby through the birth canal. They also contribute to sexual function by supporting genital structures and enabling muscle contractions during sexual activity.
추천 영상:
가이드 코스
04:59
Simple and Facilitated Diffusion