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Anatomy Y1 > bones joints and muscles of pelvis > Flashcards

bones joints and muscles of pelvis Flashcards

1
Q

4 bones of pelvis

A

left and right pelvic bones
sacrum
coccyx

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2
Q

3 components on pelvic bone

A

ilium, ischium, pubis

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3
Q

inside ‘bowl’ area on ilium

A

iliac fossa

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4
Q

top ridge on ilium

A

iliac crest

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5
Q

anterior line down middle of ilium

A

arcuate line

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6
Q

spines on ilium

A

anterior superior iliac spine - larger lump
anterior inferior iliac spine - smaller lump
posterior equivalents

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7
Q

surface on posterior side of ilium and feature

A

gluteal surface, gluteal lines

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8
Q

what feature of the ischium do we sit on

A

ischial tuberosity

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9
Q

sharp posterior prominence on ischium

A

ischial spine

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10
Q

feature on ischium connecting ischial tuberosity to pubis

A

ramus of ischium

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11
Q

feature on pubis that is part of acetabulum

A

superior ramus

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12
Q

feature on pubis connecting with ramus of ischium

A

inferior ramus

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13
Q

what passes through sciatic notch

A

sciatic nerve

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14
Q

what feature on pubis is a continuation of the acurate line

A

pectinial line

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15
Q

joints of pelvic girdle?

A

sacroiliac joint
pubic symphysis
lumbosacral
sacrococcygeal joint

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16
Q

joints of pelvic girdle?

A

sacroiliac joint
pubic symphysis
lumbosacral
sacrococcygeal joint

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17
Q

sacroiliac joint type

A

synovial

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18
Q

what ossifies with age

A

sacroiliac joint

19
Q

ligaments around sacroiliac joint?

A

anterior and posterior sacroiliac ligament
deeper - interosseous sacroiliac ligament

20
Q

pubic symphysis joint type and cartilage?

A

Secondary cartilaginous, hyaline

21
Q

pubic symphysis ligaments

A

superior pubic ligament
inferior pubic ligament

22
Q

which ligament extends from the posterior sacrum to the ischial tuberosity

A

sacrotuberous ligament

23
Q

which ligament extends from the anterior sacrum to ischial spine

A

sacrospinous ligament

24
Q

what forms the pelvic inlet

A

sacral promontory
margin of alae
arcuate line
pectineal line

25
Q

what forms the pelvic outlet

A

tip of coccyx
sacrotuberous ligament
ischial tuberosity
ischiopubic ramus

26
Q

how to orientate pelvis

A

asis (anterior superior iliac spine) vertical to pubic tubercle

27
Q

where is the true pelvis between and what is the ‘fake pelvis’

A

true pelvis between pelvic inlet and outlet. fake pelvis is abdomen.

28
Q

which surface landmark on the pelvis can only be found sitting down

A

ischial tuberosity

29
Q

what is the perineum divided into

A

urogenital triangle and anal triangle

30
Q

what is in the centre between the two parts of the perineum

A

perineal body

31
Q

which palpable landmarks are points in the perineum triangle

A

urogenital - pubic symphysis, ischial tuberosities
anal - coccyx, ischial tuberosities

32
Q

name of ‘release of urine’ muscles

A

micturition

33
Q

name of ‘release of faeces’ muscles

A

defacation

34
Q

name of ‘release of children’ muscles

A

parturition

35
Q

what are pelvic muscles attached to and what do they support

A

attached to pelvic outlet, support pelvic viscera

36
Q

layers of pelvic muscles from deep to superficial

A

pelvic diaphragm (deepest)
deep perineal
superficial perineal (most superficial)

37
Q

pelvic diaphragm vs pelvic floor

A

diaphragm - layer of muscles
floor - group of all muscles that hold structures in pelvis

38
Q

pelvic diaphragm muscles

A

levator ani
coccygeus

39
Q

what does the pelvic diaphragm muscles fill the entirety of

A

pelvic outlet

40
Q

what do the deep perineal muscles fill

A

urogenital triangle

41
Q

2 deep perineal muscles - male

A

external urethral sphincter (surrounds urethral opening)
deep transverse perineal (attached to perineal body)

42
Q

4 deep perineal muscles - female

A

external urethral sphincter
deep transverse perineal
compressor urethra (parallel to deep TV perineal)
sphincter urethrovaginalis - surrounds urethral and vaginal openings

43
Q

3 superficial perineal muscles - male

A

bulbospongiosus - overlies bulb of penis
ishiocavernosus - attached to ischial spine
superficial transverse perineal - attached to perineal body, overlies deep version

Anatomy Y1 (27 decks)

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