The Hip Joint

Question 1

What are the functions of the hip joint?

Answer 1

1. Movement of lower extremity
2. Movement of pelvis when lower extremity is on the ground
3. Standing
4. Locomotion
   Transmission of forces up and down

Question 2

What type of joint is it?

Answer 2

Ball and socket diarthrosis

Question 3

Where is the location where there is no articulate cartilage?

Answer 3

Fovea

Question 4

What surrounds the acetabulum?

Answer 4

Acetabular labrum (fibrocartilage)

Question 5

Why is the hip more stable than the shoulder?

Answer 5

Femur head fits better

Acetabulum is deeper

Question 6

What is the function of the labrum?

Answer 6

Make acetabulum deeper

Allows for negative intro articulate pressure

Question 7

What ligament bridges the acetabular fossa?

Answer 7

Transverse acetabular liagment

Question 8

What is the function of the transverse acetabular ligament?

Answer 8

Prevent inferior dislocation

Question 9

What ligament goes from the AIIS to the intertranteric line?

Answer 9

Iliofemoral ligament

Question 10

What is the function of the iliofemoral ligament?

Answer 10

Reinforces the anterior capsule

Question 11

What ligament goes from the superior pubic ramus and blends with the iliofemoral ligament?

Answer 11

Pubofemoral ligament

Question 12

What is the function of the pubofemoral ligament?

Answer 12

Reinforces the inferior capsule

Limits abduction

Question 13

What ligament goes from the Posterior acetabulum to the intertrochanteric line?

Answer 13

Ischiofemoral ligament

Question 14

What is the purpose of the ischiofemoral ligament?

Answer 14

Reinforces the posterior ligament

Question 15

What ligament is enclosed in synovial membrane that doesn’t contribute to stability? What does it do then?

Answer 15

Ligamentum teres. Contains the fovea artery

Question 16

What is the purpose of fat pads in the hip joints?

Answer 16

Fill spaces that the femoral head is not in the acetabulum