The Hip Joint Flashcards

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1
Q

What are the functions of the hip joint?

A
  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
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2
Q

What type of joint is it?

A

Ball and socket diarthrosis

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3
Q

Where is the location where there is no articulate cartilage?

A

Fovea

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4
Q

What surrounds the acetabulum?

A

Acetabular labrum (fibrocartilage)

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5
Q

Why is the hip more stable than the shoulder?

A

Femur head fits better

Acetabulum is deeper

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6
Q

What is the function of the labrum?

A

Make acetabulum deeper

Allows for negative intro articulate pressure

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7
Q

What ligament bridges the acetabular fossa?

A

Transverse acetabular liagment

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8
Q

What is the function of the transverse acetabular ligament?

A

Prevent inferior dislocation

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9
Q

What ligament goes from the AIIS to the intertranteric line?

A

Iliofemoral ligament

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10
Q

What is the function of the iliofemoral ligament?

A

Reinforces the anterior capsule

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11
Q

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

A

Pubofemoral ligament

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12
Q

What is the function of the pubofemoral ligament?

A

Reinforces the inferior capsule

Limits abduction

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13
Q

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

A

Ischiofemoral ligament

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14
Q

What is the purpose of the ischiofemoral ligament?

A

Reinforces the posterior ligament

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15
Q

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

A

Ligamentum teres. Contains the fovea artery

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16
Q

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

A

Fill spaces that the femoral head is not in the acetabulum