Anatomy Lecture 1 Pelvis Flashcards Preview

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1

Which bones form the bony pelvis?

innominate bone
sacrum
coccyx

2

What is the innominate bone? How many do we have?

2
ilium, ischium, pubis

3

What are the beginning and end points of the iliac crest?

ASIS to PSIS

4

The ischium and pubis together form what bony feature of the pelvis?

Ishiopubic ramus

5

Can you palpate the ischial tuberosities?

yes

6

From a seated position, what part of the bony pelvis are you sitting on?

Ischial tuberosities

7

What bony feature of the pelvis is directly lateral to the pubic symphesis?

Pubic tubercles

8

Which sex is the pubic arch thicker in?

Males

9

What foramen lies between the ischiopubic ramus and the superior pubic ramus?

Obturator foramen

10

Name the 3 joints of the pelvis

sacroiliac joints
hip joint
pubic sympthesis

11

What type of joint is the hip joint?

synovial

12

What type of joint is the pubic symphysis?

secondary cartilaginous

13

What are the attachments of the inguinal ligaments?

ASIS to pubic tubercle

14

What bony features of the ilium are palpatable?

ASIS, iliac crest, PSIS

15

Can you palpate the ischial spines?

Only on vaginal examination (a finger breadth into the vagina at the 4 and 8 o'clock positions)

16

What is the clinical relevance of palpating the ischial spines?

Locating approximate position of femoral nerve for femoral nerve block during labour

17

What are the most important ligaments of the pelvis and what are their attachments?

sacrospinous: sacrum to iliac spine
sacrotuberous: sacrum to ischial tuberosity

18

Describe the course of the pudendal nerve through the pelvis

Across iliac fossa
Out greater sciatic foramen
Directly back in lesser sciatic foramen
THIS IS NOT COMPLETE - FINISH
PUDENDAL CANAL

19

When do the sacrotuberous and sacrospinous ligaments relax?

During late pregnancy

20

What structures contribute to the pelvic inlet?

Sacral promontory
Ilium
Superior pubic ramus
Pubic symphysis

21

What structures contribute to the pelvic outlet?

Pubic symphysis
Ischiopubic ramus
Ischial tuberosities
Sacrotuberous ligaments
Coccyx

22

The pelvic cavity is continuous with the _____

abdominal cavity

23

The pelvic cavity lies between the ____ and ____

pelvic inlet and plelvic floor

24

What structure forms the pelvic floor?

Levator ani muscle?

25

What nerve supplies the levator ani and what SC roots is it formed from?

Pudendal nerve (double check) S2, 3, 4 keep your guts off the floor

26

What feature of the pubis is wider in a female compared to a male

Subpubic angle and pubic arch

27

Is the pelvic cavity shallower in the female or male?

Female

28

Are the AP and transverse diameters of the pelvic inlet wider in a male or female?

Female

29

Are the AP and transverse diameters of the pelvic outlet wider in a male or female?

Female

30

What suture of the foetal skull is between the parietal and occipital bones?

Lambdoid suture