Hip Bone

Question 1

Cartilage disappears and the bones begin to fuse at?

Complete?

Answer 1

15 to 17 yrs

Complete at 20 to 25

Question 2

Cup-like cavity (socket) on the lateral aspect of the hip bone? Purpose?

Answer 2

Acetabulum, for articulation with the head of the femur

Question 3

Superior and largest part of the hip bone?

Answer 3

Ilium

Question 4

Fusion of three primary bones

Answer 4

Ilium ischium pubis

Question 5

Parts of ilium? joins which parts. Borders?

Answer 5

Body- joins pubis and ischium to acetablulum

Ala(wing) - bordered superiorly by iliac crest

Question 6

Forms the postero-inferior part of acetabulum and hip bone?

Parts?

Answer 6

Ischium
Consists of body, where it joins ilium and superior ramus of pubis to form acetabulum.

Ramus of the ischium, joins inferior ramus of pubis to form ischiopubic ramus.

Question 7

Forms anterior part of the acetabulum and the antero medial part of the hip bone?

Answer 7

Pubis

Question 8

Articulation of right and left pubis?

Other part?

Answer 8

Pubic symphysis

Rami, superior and inferior

Question 9

Anterior superior iliac spine lies in the same coronal plane with?

Answer 9

Frontal, anterosuperior aspect of pubis

Question 10

Symphysis pubis is?

Answer 10

Parallel to median plane, vertical

Question 11

Internal aspect of the body of the pubis faces?

Answer 11

Directly superiorly

Question 12

Acetabulum faces?

Acetabular notch?

Answer 12

Inferolaterally

Dircted inferiorly

Question 13

Obturator foramen lies?

Answer 13

Inferomedial to the acetabulum

Question 14

Pelvic fractures

Avulsion fx of hip occurs? Mechanism, example?

Answer 14

Sports, sudden acceleration, decel
Small part of bone with piece of tendon or ligament is avulsed or torn away.
Asis

Question 15

In elderly?

Answer 15

Include at least two fx of ring of bone formed by pubis, pubic rami and acetabulum. One cannot just break one side of a stiff ring.