Pelvis And Hip

Question 1

4 bones of the pelvis

Answer 1

2 hip
Sacrum
Coccyx

Question 2

Pelvic brim boundaries

Answer 2

Posteriorly: Sacral promontory
Laterally: Ileopectineal lines
Anteriorly: Symphysis pubis

Question 3

Divides pelvis into greater/false pelvis above and true/lesser pelvis below

Answer 3

Linea terminalis

Question 4

Most important conjugate

Reflective of the narrowest portion (10.5 cm)

Answer 4

Obstetric conjugate

Question 5

Diagnosed or measured by clinical pelvimetry

Answer 5

Diagonal conjugate

Question 6

True pelvis or OUTLET composed of:

Answer 6

posteriorly: coccyx
laterally: ischial tuberosity
anteriorly: pubic arch

Question 7

Conjugate diameter measures

Answer 7

Pelvic inlet

Question 8

Ligaments of the true pelvis that divides sciatic notch into greater and lesser sciatic foramen

Answer 8

Sacrotuberous lig

Sacrospinous ligament

Question 9

Shallow false pelvis
Heart shaped inlet due to promontory
Cramped cavity
Smaller outlet due to turned ischial tuberosity
Longer, narrower and less flat sacrum
Less rounded and narrower pubic arch

Answer 9

Male pelvis

Question 10

Deep false pelvis
Transversely oval pelvic inlet
Roomier pelvic cavity with shorter distance between inlet and outlet
Larger outlet with ischial tuberosity eversion
Shorter, wider, flatter sacrum
Rounded, wider pubic arch

Answer 10

Female pelvis

Question 11

Pelvis that favors childbirth

Answer 11

Gynecoid

Question 12

Strong synovial joint

Supported by an anterior, posterior and interosseous ligament

Transmits weight of body from vertebral column to bony pelvis

Answer 12

Sacroiliac joint

Question 13

Nerve supply of pelvis

Answer 13

Sacral plexus from T12-L5

Question 14

Cartilagenous joint between two pubic bones

Articular surface is covered by a hyaline cartilage
and joint surrounded by ligaments

No movement permitted

Answer 14

Symphysis pubis

Question 15

The symphysis pubis is connected by

Answer 15

fibrocartilagenous discs

Question 16

Cartilagenous joint between sacrum and coccyx
Permits great deal of movement
Ligaments RELAXED during pregnancy

Answer 16

Sacrococcxygeal joint

Question 17

Fibrous sheet that closes obturator foramen

Answer 17

Obturator membrane

Question 18

Obturator foramen contents

Answer 18

Obturator nerves and vessels
Pudendal artery
Pudendal veins
Pudendal nerve

Question 19

Obturator canal aka

Answer 19

Alcocks

Pudendal canal

Question 20

Pudendal block palpate the

Answer 20

Ischial tuberosity

Question 21

Lateral part of sacrum and coccyx and PIIS to ischial tuberosity

prevents lower end of sacrum from being rotated by the body

Answer 21

Sacrotuberous ligament

Question 22

Triangular shaped
Base from lateral part of sacrum and coccyx
Apex from spine of ischium

Prevents lower end of sacrum from being rotated by body

Answer 22

Sacrospinous ligament

Question 23

Avulsion fracture at ASIS comes from strong pull of

Answer 23

Sartorius

Question 24

Avulsion fracture of AIIS comes from strong pull of

Answer 24

rectus femoris

Question 25

Avulsion fracture at ischial tuberosity results from strong pull of

Answer 25

Hamstring muscles

Question 26

Avulsion fracture of lesser trochanter comes from strong pull of

Answer 26

iliopsoas

Question 27

Most common direction of hip dislocation

Answer 27

Posterior

Question 28

Iliofemoral ligament limits this movement

Answer 28

Hip extension

Question 29

Ischiofemoral ligament limits this movement

Answer 29

Internal rotation | Extension

Question 30

Pubofemoral ligament limits this movement

Answer 30

Abduction | Extension

Question 31

Ligament at head of femur limits this movement

Answer 31

Hip adduction

Question 32

Contents of greater sciatic foramen

Answer 32

``` 7: Piriformis Sciatic nerve Gluteal nerves and vessels, Superior and Inferior Pudendal nerves and vessels Posterior femoral cutaneous nerve Nerve to obturator internus Nerve to quadratus femoris ```

Question 33

Contents of lesser sciatic foramen

Answer 33

Obturator internus Nerve to obturator internus Pudendal and internal pudendal nerves and vessels

Question 34

Action of obturator externus

Answer 34

Extrernal rotation | Adduction

Question 35

Obturator internus inserts at

Answer 35

Trochanteric fossa

Question 36

Oburator internus inn

Answer 36

Obturator n L3-L4

Question 37

Trendelenburg sign indicates weakness of Sagging of contralateral leg with the other in standing

Answer 37

Gluteus medius Gluteus minimus Superior gluteal nerve L5, S1, S2