ANATOMY OF BONY PELVIS: LABOUR & TRAUMA

Question 1

What are the functions of the body pelvis?

Answer 1

To support the upper body 
Transference of weight 
- sitting (vertebral column to ischial tuberosities)
- standing (vertebral column to femurs) 
Attachment for muscles 
Attachment for external genitalia 
Protection of pelvic organs 
Passage for childbirth

Question 2

What does the bone pelvis consist of?

Answer 2

2 hip bones - each is a fusion between the ilium (superior), ischium (posterior inferior) and pubis (anterior). Fuse together in the acetabulum
Sacrum
Coccyx

Bones join together in the anterior midline at the pubic symphysis

Question 3

What is the pelvic girdle?

Answer 3

A grey area (ish!!)

It is the hip bone and sacrum although some use it interchangeably with bony pelvis

Question 4

Describe the parts of ilium

Answer 4

Anteriorly = Anterior superior iliac spine (ASIS). One of the attachment points for the inguinal ligament

The iliac crest follows around to the PSIS

The iliac fossa is filled with muscle - the attachment point for the ilacus muscle

Question 5

Where is the ischium located in relation to the ilium?

Answer 5

It is a much smaller bone, located posteriorly