Pelvic

Question 1

Pelvis

Answer 1

• meets the lower extremities

- lower trunk

Question 2

Pelvic Cavity

Answer 2

w/in pelvic girdle and sacrum

Question 3

Pelvic Brim

Answer 3

Between the pubic symphysis and the sacral promontory

Question 4

Pelvic Outlet

Answer 4

• from below

- inferior margin of pubic symphysis, ischial tuberosity sacrotuberous ligament, tip of coccyx (what you sit on)

Question 5

Pelvic Inlet

Answer 5

• from above

- separates the greater and lesser pelvis

Question 6

Greater Pelvis

Answer 6

• above the pubic brim
• w/in the abdominal cavity –> sigmoid colon
• w/in illiac fossa

Question 7

Lesser Pelvis

Answer 7

• below the pubic brim
• has the true pelvic cavity
• between the pelvic inlet and outlet

Question 8

Male vs female pelvic

Answer 8

STOP CAP
Shape: heart - round
Thickness: thick - thin
Obturator: round - oval
Pubic Outlet: small - big
Coccyx: anterior - posterior 
Acetabulum: big - small
Pubic Arch: narrow - wide

Question 9

Joints of Pelvic

Answer 9

• sacroilliac
• lumbrosacral
• pubic symphysis

Question 10

Sacroilliac Joint

Answer 10

anterior: synovial
posterior: fibrous
weight bearing
allows SJ to move anteriorly and posteriorly

Question 11

Lumbrosacral Joint

Answer 11

anterior: cartilage
posterior: synovial
L5-S1

Question 12

Pubic Symphysis

Answer 12

secondary cartilage

Question 13

Pubic Walls

Answer 13

• Obturator Internus

- Piriformis m.

Question 14

Obturator internus m.

Answer 14

• pubic walls
• anterolateral
• passes through lesser sciatic foreman

Question 15

Piriformis m.

Answer 15

• pubic walls
• posterolateral
• passes through greater sciatic foreman

Question 16

Pelvic Diaphragm

Answer 16

• prevents the abdominal cavity from pushing down on the pelvic cavity and keeps the pelvic organs in place
• funnel shaped
• separates pelvic and perineum
• levator ani mm (puborectalis, pubococcygenus, Iliococcygenus m)
• coccygenus