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Gross Anatomy I Test IV > Hip Joint > Flashcards

Hip Joint Flashcards

1
Q

What are the articulating surfaces of the hip joint?

A

Head of the femur and acetabulum of the pelvix

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2
Q

Where is the articulating surface of the acetabulum deficient? What is this area called?

A

Deficient inferiorly at the acetabular notch

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3
Q

What structure deepens the cavity of the acetabulum? By what percent can the cavity be deepened?

A

acetabular labrum

10%

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4
Q

What is the name of the ligament that bridges the acetabular notch?

A

transverse acetabular ligament

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5
Q

the transverse acetabular ligament is a part of what larger structure?

A

the acetabular labrum

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6
Q

This ligament permits free movement, but cannot maintain joint integrity.

A

The capsular ligament

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7
Q

These ligaments reinforce the capsular ligament both anteriorly and inferiorly.

A

The iliofemoral ligament

the pubofemoral ligament

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8
Q

This ligament is considered to be the strongest in the body.

A

The iliofemoral ligament

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9
Q

What are the two attachment sites for the iliofemoral ligament?

A

the anterior inferior iliac spine

the intertrochanteric line

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10
Q

How does the iliofemoral ligament allow a person to stand upright?

A

becomes tight with full extension - supports the hip joint

“screws” the head of the femur into the acetabulum

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11
Q

What muscles take over support/keep you from falling when bending backward?

A

anterior hip and abdominal muscles

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12
Q

What muscles take over support/keep you from falling when bending forward?

A

Gluteal, hamstring and spinal muscles

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13
Q

Is the iliofemoral ligament rope like or wall like?

A

rope like

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14
Q

What is the nerve supply to the hip joint?

A

Femoral, obturator and sciatic nerves

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15
Q

What are the attachment sites for the pubofemoral ligament?

A

superior ramus of the pubis

intertrochanteric line

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16
Q

Which hip ligament prevents abduction of the joint?

A

the pubofemoral

17
Q

What type of ligament is the pubofemoral?

A

extrinsic, rope like

18
Q

How does the ischiofemoral ligament reinforce the hip joint?

A

posteriorly

19
Q

What are the attachment sites for the ischiofemoral ligament?

A

body of ischium

neck and greater trochanter of the femur

20
Q

What movements are prevented by the ischiofemoral?

A

hyperextension and abduction

21
Q

Is the ischiofemoral intrinsic/extrinsic, wall like/rope like?

A

extrinsic rope like

22
Q

Which ligament transforms the acetabular notch into a tunnel? what is the significance of this tunnel?

A

The transverse acetabular ligament

tunnel is passageway for blood vessels and nerves to enter the joint

23
Q

What is the function of the capitis femoris ligament?

A

conduct the obturator artery to the head of the femur

24
Q

what role does the capitis femoris ligament play in stabilizing the joint?

A

none

25
Q

Which two hip ligaments are intrinsic?

A

Transverse acetabular ligament and capitis femoris ligament

26
Q

How is movement of the hip more limited than movement of the shoulder?

A
  1. when leg flexed at knee: hip flexion limited by anterior surface of thigh contacting with anterior abdominal wall
  2. when leg extended at knee: hip flexion limited by hamstrings
27
Q

What is another term for congenital dislocation?

A

Developmental dysplasia

28
Q

what is the usual causation of developmental dysplasia?

A

ligamentous laxity: allows hip to slip out of place

…apparent correlation to breech births

29
Q

Is developmental dysplasia more common in males or females?

A

females (8x)

30
Q

Pain, abnormal gait, unequal leg length, osteoarthritis, twisting of the femur and contracture of the hip muscle are all symptoms of what condition?

A

Developmental dysplasia

31
Q

what is another description for femoral anteversion?

A

twisting of the femur

32
Q

What type of acquired dislocation is most common? What structure is torn? where does the head of the femur end up? what structure could be compromised?

A

posterior dislocation
capsular ligament
on the ilium
sciatic nerve

33
Q

In an anterior dislocation, where does the head of the femur end up? what nerve may be compromised?

A

obturator foramen

obturator nerve

Gross Anatomy I Test IV (13 decks)

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