Structure of hip joint

Question 1

Type of joint

Answer 1

Synovial multiaxial ball and socket joint

Question 2

Articular surfaces

Answer 2

Pelvis acetabulum and head of femur

Surfaces are reciprocally curved but not fully congruent

Question 3

Joint capsule

Answer 3

Strong, reinforced by ligaments

Question 4

Ligaments

Answer 4

Intracapsular- ligament of head of femur

Extracapsular- iliofemoral, pubofemoral, ischiofemoral

Question 5

Arterial supply

Answer 5

Medial and lateral circumflex femoral arteries

Deep femoral artery

Question 6

Nerve supply

Answer 6

Sciatic, femoral and obturator nerves

Question 7

Iliofemoral ligament

Answer 7

AIIS to intertrochanteric line of femur
Prevents hyperextension
Strongest ligament

Question 8

Pubofemoral ligament

Answer 8

Superior pubic rami to intertrochanteric line of femur

Prevent excessive abduction and extension

Question 9

Ischiofemoral ligament

Answer 9

Body of ischium to greater trochanter

Prevents hyperextension and holds femoral head in the acetabulum