Q4 Hip Joint 2

Question 1

Classification of the Hip Joint.

Answer 1

Synovial, Polyaxial, Ball and Socket Joint. Capable of 3 degrees of movement

Question 2

Give the attachments of the capsule of this joint.

Answer 2

• Anteriorly to intertrocanteric line.
• Above the base of the neck of the femur.
• Posteriorly to the neck above the trochanteric crest.
• -Surrounds the acetabulum, labrum and transverse ligament

Question 3

Briefly describe the acetabulum

Answer 3

A cup shaped articular fossa that faces laterally, anteriorly and inferiorly.
-Is a hemispherical hollow formed by the fusion of the ilium, ischium and pubis. Contains a horseshoe shaped lunate articular surface covered in hyaline cartilage, thickest superiorly. Central section is non-articular where ligamentum teres arises.
-Rim is not complete inferiorly (acetabular notch) spanned by the transverse ligament.
Fossa deepened by fibrocartilaginous labrum which attaches to the rim of the acetabulum

Question 4

Describe the head of the femur

Answer 4

-Ball shaped Head (except fovea) is covered by hyaline cartilage, thickest superiorly.
The fovea capitis is the small central pit which is posteromedial for attachement of ligamentum teres.
-Head is carried on angled neck.
-Spherical shape.