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MSK 2 > Hip > Flashcards

Hip Flashcards

1
Q

What type of joint is the hip joint?

A

ball and socket

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2
Q

What is the acetabulum formed from?

A

ilium, ischium, and pubis

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3
Q

What are the articulating parts of the hip joints?

A

head of femur and acetabulum

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4
Q

What are the two parts of the acetabulum?

A

articular surface and acetabular fossa

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5
Q

What is the acetabular fossa filled with?

A

fat

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6
Q

What are the articulating parts of the acetabulum covered in?

A

hyaline cartilage

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7
Q

What is the function of the fibrocartilaginous labrum?

A

deepens the socket of the acetabulum

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8
Q

What is the joint capsule of the hip attached to anteriorly?

A

the base of the whole neck of the femur

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9
Q

What does the synovial membrane cover in the hip?

A

intracapsular neck of the femur, inner side of the capsule, labrum, ligament of the head of the femur, and the fat pad of the acetabular fossa

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10
Q

What are the internal ligaments of the hip?

A

transverse acetabular ligament

ligament of the head of the femur

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11
Q

What does the ligament of the head of the femur contain?

A

artery of the head of the femur

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12
Q

What are the external ligaments of the hip?

A

iliofemoral ligament, ischiofemoral ligament, and pubofemoral ligament

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13
Q

Where is the iliofemoral ligament located?

A

anteriorly and superiorly

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14
Q

What does the iliofemoral ligament do?

A

prevents hyperextension

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15
Q

Where is the ischiofemoral ligament located?

A

posteriorly, spirals superiolaterally to the femoral neck

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16
Q

Where is the pubofemoral ligament located?

A

anteriorly and inferiorly

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17
Q

What does the pubofemoral ligament do?

A

prevents overabduction

18
Q

What nerves supply the hip joint?

A

branches of the gluteal, obturator, and femoral nerves

19
Q

What is the blood supply of the hip?

A

cruciate anastomosis

20
Q

What forms the cruciate anastamosis

A

medial and lateral femoral circumflex arteries, inferior gluteal artery, first perforating artery of the deep femoral artery, and obturator artery

21
Q

What are the movements of the hip?

A

flexion, extension, abduction, adduction, rotation, and circumduction of the thigh

22
Q

What limits flexion when the leg is extended?

A

hamstring muscles

23
Q

What muscles are responsible for hip flexion?

A

iliopsoas, rectus femoris, sartorius, tensor fasciae latae muscles

24
Q

What muscles are responsible for hip extension?

A

gluteus maximus and hamstring muscles

25
Q

What muscles are responsible for hip abduction?

A

gluteus medius, gluteus minimus, and tensor fasciae latae muscles

26
Q

What muscles are responsible for hip adduction?

A

adductor longus, brevis, and magnus; pectineus and gracilis muscles

27
Q

What muscles are responsible for hip medial rotation?

A

tensor fasciae latae, gluteus minimus, gluteus medius (anterior fibers), pectineus, adductor longus, brevis, and magnus muscles

28
Q

What muscles are responsible for hip lateral rotation?

A

obturator internus, obturator externus, gemelli, quadratus femoris, piriformis, gluteus maximus, and sartorius muscles

29
Q

What’s the body’s strongest ligament?

A

iliofemoral ligament

30
Q

What is the shape of the iliofemoral ligament?

A

Y

31
Q

What tendons reinforce the iliofemoral ligament?

A

tendons of rectus femoris and iliopsoas muscles

32
Q

When does the pubofemoral ligament tighten?

A

during extension and abduction of the hip joint

33
Q

What arteries supply the femoral head and neck?

A

retinacular arteries - branches of the medial femoral circumflex artery

34
Q

What covers the artery to the head of the femur?

A

ligament of the head of the femur

35
Q

What artery does the artery to the head of the femur branch from?

A

obturator artery

36
Q

What is the strongest flexor of the hip?

A

iliopsoas m

37
Q

What muscles participate in flexion and adduction?

A

gracilis, pectineus, and 3 adductors

38
Q

What way do the gluteus minimus and medius rotate the hip?

A

medially

39
Q

What is the primary extensor from sitting to standing?

A

gluteus maximus

40
Q

What way does gluteus maximus rotate the hip?

A

laterally

41
Q

Where do the medial and lateral circumflex arteries branch from?

A

deep femoral artery

MSK 2 (15 decks)

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