The hip

Question 1

What type of joint is the hip?

Answer 1

Ball and socket, synovial

Question 2

The innominate bone consists of:

Answer 2

• Illium
• Ischium
• Pubis

Question 3

When standing, how much weight is on each leg?

Answer 3

2/3rds of body weight

Question 4

What does the head of the femur fit into?

Answer 4

The acetabulum

Question 5

What does the transverse acetabular ligament form?

Answer 5

Foramen which allows blood supply to the femur

Question 6

3 key ligaments that stabilise the hip joint:

Answer 6

1. Iliofemoral
2. Pubofemoral
3. Ischiofemoral

Question 7

Which ligament is the strongest?

Answer 7

Iliofemoral (anterior)

Question 8

Which ligament in the weakest?

Answer 8

Ischofemoral (posterior - posterior dislocation of the hip)

Question 9

What is usually disrupted in a femur fracture?

Answer 9

Shenton’s line

Question 10

Arterial supply to the hip joint is via:

Answer 10

medial and lateral circumflex femoral arteries branches of the femoris profunda

Question 11

Damage it which artery more commonly leads to avascular necrosis of the head of femur?

Answer 11

Medial circumflex artery

Question 12

Which artery gives off a branch to the head of the femur in infants?

Answer 12

The obturator artery

Question 13

A lesion to the superior gluteal nerve leads to:

Answer 13

Trendelenburg gait

Question 14

Hip abductors:

Answer 14

Gluteus medius
Gluteus minimus
Tensor fascia latae

Question 15

6 lateral rotators:

Answer 15

Piriformis
Obturator internus
Obturator externus
Superior gemelli
Inferior gemelli
Quadratus femoris

Question 16

Hip flexion is caused by (L2-L3):

Answer 16

Iliopsoas
Satorius
Rectus femoris
Pectineus

Question 17

Hip extension is caused by (L3-L4):

Answer 17

Gluteus maximus, hamstrings, short gluteal muscles

Question 18

Hip adduction is caused by :

Answer 18

Adductor longus, brevis, magnus
Pectineus
Gracilis

Question 19

Hip abduction is caused by (L4-L5):

Answer 19

Gluteus medius
Gluteus minimus
Tensor fasica latae

Question 20

Nerves in the sacral plexus:

Answer 20

superior gluteal
inferior gluteal
sciatic (from fibial and tibial parts)

Question 21

Where does sciatic nerve split again back into fibial and tibial parts?

Answer 21

Popliteal fossa

Question 22

Sacral plexus nerve roots:

Answer 22

L4-S3

Question 23

2 anastomosis that supple femur head:

Answer 23

Trochanteric

Cruciate

Question 24

Trochanteric anastomosis:

Answer 24

Superior gluteal

Medial and lateral circumflex

Question 25

Cruciate anastomosis:

Answer 25

Inferior gluteal
Medial and lateral cicumflex
First perforating branch of femoris profundus

Question 26

What artery does the lateral and medial circumflex artery come from?

Answer 26

Femoris profundis (deep femoral)