Hip Joint Ligaments

Question 1

Capsular

Answer 1

Origin: Acetabular margin

Insertion: Femoral neck

Comments: Encloses femoral head and part of neck; acts in flexion, extension, abduction, adduction and circumduction

Question 2

Iliofemoral

Answer 2

Origin: Iliac spine and acetabulum

Insertion: Intertrochanteric line

Comments: The strongest ligament; forms inverted Y (of Bigetow); limits hyperextension and lateral rotation

Question 3

Ischiofemoral

Answer 3

Origin: Acetabulum

Insertion: Femoral neck (posterior)

Comment: Limits extension and medial rotation; weak ligament

Question 4

Pubofemoral

Answer 4

Origin: Pubic ramus

Insertion: Lower femoral neck

Comments: Limits extension and abduction

Question 5

Labrum

Answer 5

Attachment: Acetabulum

Comment: Fibrocartilage, deepens socket

Question 6

Transverse Acetabular

Answer 6

Attachment: Acetabular notch inferiorly

Comment: Cups acetabulum to form a socket for the femoral head

Question 7

Ligament of Head of Femur

Answer 7

Origin: Acetabular notch and transverse ligament

Insertion: Femoral head

Comments: Artery to femoral head runs in this ligament