Repro Anatomy Flashcards
Which bone of the pelvis is most different between males and females?
Pubis, look at the pubic arch
What nerve wraps around the ischial spine?
Pudendal nerve
What group of muscles attaches to the ischial tuberosity?
Hamstrings
Name the joints of the pelvis.
sacroiliac
hip joint
pubic symphysis
What feature helps to stabilise the sacroiliac joints?
interosseous ligaments
What sort of joint is the pubic symphysis?
Secondary cartilaginous
Where would you palpate the PSIS?
in line with S2, dimples in your back at the bottom of your spine
What ligament runs between the ASIS and pubic tubercle?
Inguinal ligament
Where would you palpate the ischial spines during a vaginal exam?
a finger breadth into the vagina at 4 and 8 o’clock positions
Which ligaments help form the greater and lesser sciatic foraminae?
sacrotuberous and sacrospinous ligaments
When do the sacrotuberous and sacrospinous ligaments relax?
During late pregnancy
What structure makes up the floor of the pelvic cavity?
Pelvic diaphragm (levator ani)
When might a fracture of the acetabulum occur?
Jump from height
What term refers to the movement of bones in the fetal skull that allows the head to pass through the pelvis during labour?
Moulding
What names are given to the two holes in the foetal skull?
anterior and posterior fontanelle
Is AP or transverse diameter wider at the pelvic inlet?
transverse
Is AP or transverse diameter wider in the foetal skull?
AP
Which 4 bones make up the pelvis?
2 innominate bones
Sacrum
Pelvis
Which bones are fused to form the innominate bones?
ilium
ischium
pubis
What 2 structures does the inguinal ligament run between?
ASIS
pubic tubercle
Is AP or transverse diameter wider at the pelvic outlet?
AP
What way should a baby ideally be facing when it enters the pelvis?
left or right
What way should a baby ideally be facing when it leaves the pelvis
Occipitoanterior
Station refers to the location of the baby in the pelvis in regards to which anatomical landmarks?
Ischial spines