Pelvis anatomy Flashcards
the perineal body is the attachment for muscle fibres from what
pelvic floor and perineum
where does the perineum lie in males
between the bulb of penis and anus
name some muscles that attach to the perineal body
levator ani
bulbospongiosus
external anal spincter
external uretheral spincter fibres
where does the piriformis muscle originate
greater sciatica
where does the obturator internus muscles originate
lesser sciatica
which muscle inserts into the tronchler of femur
piriformis and obturator internus
what are the 3 muscles that compose the levator ani
puborectalis
pubococcygeus
iliococcygeus
which levator ani muscle attached to the prostate in males
pubococcygeus
which levator ani muscle is the actual ‘levator’
iliococcygeus
what is the 4th muscles that composes the pelvic floor apart from the levator ani
coccygeus
which pelvic muscle is innervated by S1-S2
piriformis
Which pelvic muscle is innervated by S4
levator ani
Which pelvic muscle is innervated by L5-S1
obturator internus
which pelvic muscle is innervated by S4-S5
coccygeus
Which pelvic muscle can also be innervated by the inferior branches of the pudendal nerve (S2-S4)
piriformis
Which muscle attaches to the ischiopubic rami
obturator internus
which muscle attaches to the ischial spine
coccygeus
what is the male pelvis known as
android
what is the female pelvis known as
gynecoid
which pelvis is wider and broader
female
which pelvis has a more heart shaped inlet
male
Which pelvis has a more rounded pubic arch
female
which pelvis is thicker in general
male
which pelvis has a more prominent ishial spine
male
in the urogenital pouch what are the layers deep to superficial
deep perineal pouch perineal membrane superficial perineal pouch perineal fascia skin
which layer of urogenital triangle contains the urethra, external spincter and vagina
deep perineal pouch
which layer of urogenital triangle contains the bulbourethral glands and deep transverse perineal muscle in males
deep perineal pouch
which layer of urogenital triangle is the attachment for the external genitalia
perineal membrane
which layer of urogenital triangle is bound posteriorly to the perineal body
superficial perineal pouch
which layer of urogenital triangle covers the clit and penis
deep layer of the perineal fasia
which layer of urogenital triangle is the most superficial
skin
Which muscle is the erectile tissue
bulbospongiosus
What are some muscles in the the superficial perineal pouch
ischiocavernousus
bulbospongiousus
superficial transverse perineal
what type of joint is the symphsis pubic joint
fibrocartilagenous
What type of joint is the sacroilliac joint
synovial plane joint
which two ligaments enclose the greater and lesser sciatic foramen
sacrospinous and sacrotuberous ligaments
What are the attachment points for the sacospinous ligament
ischial spine and lateral margins of the sacrum
what are the attachment points for the sacrotuberous ligament
sacrum and ischial tuberosity
name the urogenital muscles
deep transverse perineum and spinchter urethra
What nerve passes through the urogenital triangle/innervates it
pudendal
how do you measure fundal height
from the pubis bone to top of the uterus
where is fundal height in week 12
pubic bone
where is fundal height in week 20
umbillicous
where is fundal height in week 36
xiphoid
What is in the anal triangle
external anal spincter
2 x ischioanal fossa that extend to the pelvic floor
what is pelvic girdle
lower part of the trunk that connects the axial skeleton to the lower limbs
Which muscles makes up the pelvic diaphragm
levator ani and coccygeus
which muscles make up the urogenital diaphragm
deep transverse perineal and and spincter urethra
Name the spincters and erectile muscles of the urogenital and intestinal tract
external anal spincter, bulbospongiosus, ischiocavernosus and superficial transverse perineal
what is the superficial perineal layer innervated by
pudendal nerve