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L15 Intro to Lower Limb > Pelvic Girdle, Pelvis (sacrum, coccyx review) > Flashcards

Pelvic Girdle, Pelvis (sacrum, coccyx review) Flashcards

Sex-specific, Hip Bones, Joints, Ligaments,

1
Q

Name of circular foramen in ant. middle of pelvic girdle?

A

Pelvic brim (inlet)

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2
Q

Name of triangular foramen of inf. pelvic girdle?

A

Pelvic outlet

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3
Q

Demarcations of false pelvis?

A

At hip bones

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4
Q

Demarcations of true pelvis?

A

Pelvic brim/inlet to Pelvic outlet

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5
Q

Name of AFAB pelvis?

A

Gynecoid

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6
Q

Name of AMAB pelvis?

A

Android

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7
Q

Features of AFAB pelvis? (3)

A

wide shallow
wide oval inlet
round outlet

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8
Q

Features of AMAB pelvis?

A

narrow deep
heart-shaped inlet
narrow oblong outlet

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9
Q

Subpubic angle of AFAB?
b/w what two fingers?

A

90-100 degrees
pointer and thumb

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10
Q

Subpubic angle of AMAB?
b/w what two fingers?

A

70 degrees
middle and pointer

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11
Q

Name of the “wing”?
Most sup. round part of it?

A

Ala of ilium
iliac crest

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12
Q

Three main parts of pelvis?

A

Ilium
Ischium
Pubis

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13
Q

Three spines of ilium? Full names

A

ASIS
AIIS
PSIS

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14
Q

Name of notch post. to ilium?

A

greater sciatic notch

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15
Q

Three parts of ischium?

A

ischial spine
ischial tuberosity
ischial ramus

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16
Q

Notch of ischium?

A

lesser sciatic notch

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17
Q

Name of hip socket?

A

acetabulum

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18
Q

Two parts of pubis?

A

Pubic tubercle
Inf. Pubic ramus

19
Q

Name of large foramen of pelvis?

A

obturator foramen

20
Q

Crests of sacrum?

A

Median sacral crest
Lateral sacral crests

21
Q

Name of opening and exit of vertebral canal of sacrum?

A

sacral canal
sacral hiatus

22
Q

Names of pelvic girdle joints (5)?

A

Lumbosacral
Sacroiliac joints (ant. & post.)
Hip joints
Pubic symphysis
Sacrococcygeal

23
Q

Class and location of lumbosacral j.?

A

solid symphysis
b/w L5 and S1

24
Q

Class and location of sacroiliac j.?
Ant. and Post.

A

Sacrum + ilium
Ant. = synovial
Post. = solid syndesmosis

25
Q

Class and location of hip joints?

A

Acetabulum + head of femur
synovial ball-and-socket

26
Q

Class and location of pubic symphysis j.?

A

Left and right pubic bones
solid symphysis

27
Q

Class and location of sacrococcygeal j.?

A

sacrum + coccyx (S5 to C1)
solid symphysis

28
Q

Difference b/w symphysis and syndesmosis joint?
Similarity?

A

Symphysis = fibrocartilage
Syndesmosis = fibrous, linked by strong membrane or ligaments
Both solid, no movement

29
Q

3 pelvis ligaments?

A

Ant. & Post. sacroiliac lig.s
Sacrospinous lig.
Sacrotuberous lig.

30
Q

Location of ant. and post. sacroiliac lig.s?

A

Ant. = sup. sacrum to ilium
Post. = sacrum to medial ilium

31
Q

Location of sacrospinous lig.?

A

inf sacrum to ischial spine

32
Q

Location of sacrotuberous lig.?

A

inf. sacrum & PSIS to ischial tuberosity

33
Q

Ligament b/w ASIS and pubic tubercle?

A

Inguinal ligament

34
Q

Where does inguinal ligament travel?

A

Anteriorly
ASIS to pubic tubercle

35
Q

Borders of greater sciatic foramen?

A

sacrotuberous lig. (post.)
sacrospinous lig. (inf.)
greater sciatic notch (ant./medial)

36
Q

What foramen is formed at the greater sciatic notch?

A

Greater sciatic foramen

37
Q

What foramen is formed at the lesser sciatic notch?

A

Lesser sciatic foramen

38
Q

Borders of lesser sciatic foramen?

A

Sacrospinous lig. (sup.)
Sacrotuberous lig. (post.)
Lesser sciatic notch (ant./medial)

39
Q

What joint(s) do the pelvis ligaments reinforce?

A

sacroiliac joints (ant. & post.)
(sacrum + ilium)

40
Q

Function of sacrospinous and sacrotuberous ligaments?

A

prevent upward tilting of distal sacrum

41
Q

How do sacrospinous and sacrotuberous ligaments prevent upward tilting of distal sacrum?

A

pull sacrum down towards hip bones

42
Q

Does the ant. and post. sacroliliac lig.s prevent upward tilting of distal sacrum? Why?

A

No
No attachment on distal pelvis = no leverage

43
Q

What are AFAB features useful for?

A

Helps pass baby through birth canal?

L15 Intro to Lower Limb (7 decks)

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