Hip, Pelvis, Thigh-Osteology

Question 1

Innominate Bone

Answer 1

“Nameless bone” the pelvis

Question 2

Pelvis consists of what 3 bones

Answer 2

ilium, ischium, and pubis

Question 3

Anterior-superior iliac spine

Answer 3

ASIS, anterior tip or iliac crest

Question 4

Posterior-superior iliac spine

Answer 4

PSIS, posterior tip of the iliac crest

Question 5

Greater sciatic notch

Answer 5

semicicular notch between PIIS and the ischial spine. Space for sciatic nerve to exit the pelvis

Question 6

Sciatic foramen

Answer 6

Sacrospinous & sacrotuberous ligamentsconvert the greater sciatic notch to the sciatic foramen

Question 7

Iliac fossa

Answer 7

Concave anterior surface of the ilium

Question 8

Ischial tuberosity

Answer 8

bumpy posterior projection, attachment for 3 of 4 hamstrings.”Sit bones”.

Question 9

Pubic symphysis

Answer 9

Relatively immobile joint. Anterior joining of pubis bones.

Question 10

Rami

Answer 10

Superior and inferior arms of the pubis. Join anteriorly at the pubic symphysis.

Question 11

Obturator foramen

Answer 11

Circular opening formed by the pubic rami.

Question 12

Acetabulum

Answer 12

Deep cup-shaped concave structure of pelvis that encloses the head of the femur.

Question 13

Lunate surface

Answer 13

Horseshoe shaped surface of the acetabulum. Articulates with the femoral head.

Question 14

Greater trochanter

Answer 14

Large lateral bony projection from the proximal femur.

Question 15

Lesser trochanter

Answer 15

Sharp posterior medial bone projection. Insertion for iliopsoas muscle.

Question 16

Intertrochanteric crest

Answer 16

Posterior bony ridge, connects greater and lesser trochanter.

Question 17

Intertrochanteric line

Answer 17

Anterior line coursing between greater and lesser trochanters.

Question 18

Linea aspera

Answer 18

Slightly raised bone that courses much of the posterior side of the femur. Insertion for many adductors and proximal attachement for VM, and VIM.

Question 19

Pectineal line

Answer 19

Small bony crest that runs from lesser trochanter to superior linea aspera

Question 20

Gluteal tuberosity

Answer 20

Arises from superior-lateral linea aspera. Insertion for glute max.