Bones & Ligaments of the Pelvis

Question 1

Means basin and includes the hip bones, sacrum and coccyx. The female ______ is shorter and wider than the male one for carrying and delivering babies.

Answer 1

Pelvis

Question 2

What are the 3 main functions of the pelvis?

Answer 2

1) Protect Internal Organs
2) Transmit Forces from Upper Body onto Lower Limb
3) Absorb Forces from Lower Limb

Question 3

The wedge-shaped bone between the 2 hip bones.

Answer 3

Sacrum

Question 4

Known as the tailbone. Human embryos have this remnant of a tail until the beginning of the 8th week.

Answer 4

Coccyx

Question 5

There are 2 of these bones and some other names include coxal bones, os coxa and innominate.

Answer 5

Hip

Question 6

What are the 3 regions of the hip bone?

Answer 6

1) Ilium
2) Ischium
3) Pubis (aka. Os Pubis, Pubic Bone)

Question 7

A region of the hip that is large, superior and makes up 2/3 of the bone.

Answer 7

Ilium

Question 8

A region of the hip that makes up the posterior and inferior part of the bone.

Answer 8

Ischium

Question 9

A region of the hip that makes up the anterior and inferior part of the bone.

Answer 9

Pubis (aka. Os Pubis, Pubic Bone)

Question 10

Curved ridges found along the gluteal surface of the ilium.

Answer 10

Gluteal Lines

Question 11

What are the 3 gluteal lines?

Answer 11

1) Anterior
2) Inferior
3) Posterior

Question 12

The blunt process that marks the posterior end of the iliac crest.

Answer 12

Posterior Superior Iliac Spine (PSIS)

Question 13

The sharp process found along the posterior border of ilium. It is located between the PSIS and the greater sciatic notch.

Answer 13

Posterior Inferior Iliac Spine (PIIS)

Question 14

The larger of 2 indentations found along the posterior border of the hip.

Answer 14

Greater Sciatic Notch

Question 15

Formed by the greater sciatic notch, sacrotuberous and sacrospinous ligaments.

Answer 15

Greater Sciatic Foramen

Question 16

What are the 3 structures that pass through the greater sciatic foramen?

Answer 16

1) Piriformis
2) Sciatic Nerve
3) Posterior Femoral Cutaneous Nerve

Question 17

The inferiorly located, thick, irregularly shaped part of the ilium.

Answer 17

Body of Ilium

Question 18

The pointed, triangular process found along the posterior border of the body of ischium. It separates the greater sciatic notch from the lesser sciatic notch.

Answer 18

Ischial Spine

Question 19

The smaller of the 2 indentations found along the posterior border of the hip.

Answer 19

Lesser Sciatic Notch

Question 20

The posteriorly located, thick, irregularly shaped part of the ischium.

Answer 20

Body of Ischium

Question 21

The large, rounded, rough elevation on the dorsal surface of the body of ischium. Commonly referred to as “sitting bone.”

Answer 21

Ischial Tuberosity

Question 22

The flat, bony bar that projects from the inferior portion of the body of ischium.

Answer 22

Ramus of Ischium

Question 23

Formed by the junction of the ischium and pubis. It is partly covered by connective tissue membrane and the opening allows nerves and blood vessels to pass through.

Answer 23

Obturator Foramen

Question 24

The inferiorly located, flat bony bar that projects from the inferolateral aspect of the body of pubis.

Answer 24

Inferior Pubic Ramus

Question 25

The small, raised eminence found along the lateral end of the pubic crest.

Answer 25

Pubic Tubercle

Question 26

The superiorly located, bony bar that projects from the superolateral aspect of the body of pubis.

Answer 26

Superior Pubic Ramus

Question 27

The junction of the ilium, ischium and pubis. This is the place where the head of the femur articulates with the pelvis.

Answer 27

Acetabulum

Question 28

The thick, rough process found along the anterior border of ilium. It is located between the ASIS and the acetabulum.

Answer 28

Anterior Inferior Iliac Spine (AIIS)

Question 29

The blunt process that marks the anterior end of the iliac crest.

Answer 29

Anterior Superior Iliac Spine (ASIS)

Question 30

The thickened superior border of the ilium that runs from ASIS to PSIS.

Answer 30

Iliac Crest

Question 31

The prominence found along the iliac crest that is located along the outer lip approximately 5 cm posterior to ASIS.

Answer 31

Iliac Tubercle

Question 32

The smooth, large, concave area of the inner aspect of the ilium.

Answer 32

Iliac Fossa

Question 33

The raised area on the hip that marks the union between the body of ilium and the superior pubic ramus.

Answer 33

Iliopubic Eminence

Question 34

The posterosuperiorly located ridge on the superior pubic ramus.

Answer 34

Pectineal Line (aka. Pecten Pubis)

Question 35

The ear-shaped, articular area of the sacropelvic surface of ilium. It is located inferior to the iliac tuberosity and articulates with the sacrum.

Answer 35

Auricular Surface of Ilium

Question 36

Combined form of the ramus of the ischium and the inferior pubic ramus.

Answer 36

Ischiopubic Ramus

Question 37

The boundary between the lower limb and the abdomen with attachments from ASIS to the pubic tubercle. It creates a passageway for important nerves.

Answer 37

Inguinal Ligament

Question 38

The depression between the abdomen and the thigh. Commonly referred to as the groin.

Answer 38

Inguinal Region