Osteology Of The Pelvis

Question 1

Obturator Foramen

Answer 1

• Covered by Membrane

- Passage for Obturator and vessels

Question 2

Compares to the Male Pelvis, the FEMALE Pelvis is:

Answer 2

• Thinner
• Lighter
• Shallow “Greater/Lesser Pelvis”
• Wide
• OVAL shaped Foramen
• LARGE Pelvic outlet

Question 3

Ant. Sup. Iliac Spine

Answer 3

• Attachment of the Inguinal Ligament

- Proximal Attachments for Sartorius Muscle

Question 4

The pelvic inlet is referred to as what?

Answer 4

Pelvic Brim

Question 5

How many bones make up the Pelvis?

Answer 5

3

Question 6

The Pelvic outlet is bounded by what?

Answer 6

• Coccyx
• Sacrotuberous Ligaments
• Ischial tuberosities
• Ischiopubic Rami
• Pubic Symphysis (bone)

Question 7

Ant. Inf. Iliac Spine

Answer 7

Proximal attachment for straight head of RECTUS FEMORIS

Question 8

Iliac Fossa

Answer 8

Attachment surface for Iliacus muscle

Question 9

Posterior Crest from most medial to most lateral

Answer 9

• Median
• Medial
• Lateral

Question 10

Median Crest

Answer 10

Fused SPINOUS Processes

Question 11

Ace. Labrum

Answer 11

• Fibrocartilage

- Rim AROUND edge of Acetabulum

Question 12

Medial Crest

Answer 12

Fused ARTICULAR processes

Question 13

Landmarks on the LATERAL Surface of the Pelvis: Fossa region

Answer 13

• Acetabular Fossa (AF)
• Acetabular Notch (AN)
• Acetabular Labrum (AL)
• Obturator Foramen (OF)

Question 14

What are the attachments for the Inguinal Ligament?

Answer 14

• Pubic Tubercle

- Ant. Sup. ILIAC Spine

Question 15

Compared to the Female Pelvis, the MALE Pelvis is:

Answer 15

• Thicker
• Heavier
• Deeper “Greater/Lesser Pelvis”
• Narrow
• ROUND Foramen
• SMALL Pelvic Outlet

Question 16

Alae

Answer 16

Winglike processes of each vertebra

• Attachment to Ilium

Question 17

Landmarks of the POSTERIOR Edge of the Pelvis

Answer 17

• Post. Sup. Iliac Spine (PSIS)
• Post. Inf. Iliac Spine (PIIS)
• Greater/Lesser Sciatic Notch
• Ischial Spine (IS)
• Ischial Tuberosity (IT)

Question 18

True Pelvis

Answer 18

Aka Lesser Pelvis

• Portion of pelvis BELOW Pelvic brim
• Closed below by Pelvic DIAPHRAGM

Question 19

Ace. Fossa

Answer 19

• For Articulation w/ Head of FEMUR

- Lunate surface

Question 20

Sacrum

Answer 20

• 5 Fused vertebrae

- WING-like Processes of each vertebra

Question 21

Lateral Crest

Answer 21

Fused Transverse processes

Question 22

Auricular Surface

Answer 22

Articulates with Auricular surface of SACRUM

Question 23

Landmarks of the ANTERIOR Edge of the Pelvis

Answer 23

• Ant. Sup. Iliac Spine (ASIS)

- Ant. Inf. Iliac Spine (AIIS)

Question 24

Ligaments of the Pelvis

Answer 24

3 Total:

1. POSTERIOR Sacro-Spinous
2. Sacro-TUBEROUS
3. Sacro- SPINOUS

Question 25

Sacral Promontory

Answer 25

• Lip of Body of the FIRST Sacral Vertebra

Question 26

Boundaries of the Pelvic Inlet (Superior Out)

Answer 26

• Sacral Promontory
• Arcuate lines
• Iliopectineal line of pubis

Question 27

False Pelvis

Answer 27

Aka GREATER Pelvis

• Expanded ABOVE the pelvic brim
• Part of the pelvis ABOVE the pelvic brim

Question 28

Landmarks of the MEDIAL Surface of the Pelvis

Answer 28

• Iliac Fossa
• Arcuate line
• Auricular Surface
• Pubic Symphysis

Question 29

Bones of the Pelvis

Answer 29

• Pubis
• Ilium
• Ischium

“PII”

Question 30

Landmarks on the LATERAL Surface of the Pelvis: Pubic region

Answer 30

• Ischial Ramus (IR)
• Pubic Rami
  (Sup and Inf)
• Pubic Tubercle (PT)

Question 31

Pubic Tubercle

Answer 31

Attachment for Inguinal ligament