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MUSC Anatomy Exam 2 > Lecture 17- Bony Pelvis and Hip > Flashcards

Lecture 17- Bony Pelvis and Hip Flashcards

1
Q

link between the lower limbs and the axial skeleton

A

The pelvic girdle

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2
Q

The hipbone is the result of fusion from what three bones?

A
  1. ilium
  2. ischium
  3. pubis
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3
Q

what 4 bones make up the pelvic girdle?

A

2 coxal bones (form pelvic walls)

sacrum and coccyx (form the posterior wall)

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4
Q

The head of the femur articulates with the _____.

A

acetabular cup

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5
Q

where do the 3 bones of the hip bone fuse?

A

acetabular cup

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6
Q

upper part of the hip bone that forms the upper part of the acetabulum

A

ilium

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7
Q

forms the posteo-inferior part of the hipbone and acetabulum

A

ischium

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8
Q

forms the anteromedial part of the hipbone and the acetabulum

A

pubis

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9
Q

the coxal bone can be divided into two grossly observed portions, the ____ and ____.

A

true or lesser pelvis

false or greater pelvis

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10
Q

what does the femur articulate with SUPERIORLY?

A

Coxal bone

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11
Q

what does the femur articulate with INFERIORLY?

A

patella and the tibia

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12
Q

the longest and strongest bone on the body

A

FEMUR

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13
Q

The neck of the femur presents at an angle called the _____.

A

angle of inclination

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14
Q

how many degrees is the angle of inclination?

A

125 degrees

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15
Q

joint that attaches the pelvic girdle to the axial skeleton

A

lumbrosacal joint

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16
Q

strong synovial joint formed by the articular surface of the sacrum and the iliac bone

A

sacroiliac (SI) joint

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17
Q

6 ligaments that support the sacroiliac joint

A
  1. posterior ligament
  2. interosseous sacroiliac ligament
  3. anterior sacroiliac ligament
  4. iliolumbar ligament
  5. sacrotuberous ligament
  6. sacrospinous ligament
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18
Q

ligament assisting in stabilizing the SI joint that runs between the transverse processes of the 3rd and 4th lumbar vertebrae and the posterior portion of the iliac crest

A

iliolumbar ligament

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19
Q

SI accessory ligament from the lateral part of the sacrum and coccyx and the posterior inferior iliac spine to the ischial tuberosity

A

sacrotuberous ligament

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20
Q

SI accessory ligament from the lateral part of the sacrum and coccyx to the ischial spine

A

sacrospinous ligament

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21
Q

ligaments that convert the greater and lesser sciatic notches into the greater and lesser sciatic foramina

A

sacrospinous ligament and sacrotuberous ligament

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22
Q

this muscle exits out of the pelvis through the greater sciatic foramen

A

piriformis muscle

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23
Q

what exits ABOVE THE PIRIFORMIS through the greater sciatic foramen?

A

SUPERIOR gluteal nerves and vessels

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24
Q

things that exit through the greater sciatic foramen BELOW THE PIRIFORMIS (7)

A 
INFERIOR gluteal nerves and vessels
internal pudendal vessels
pudendal nerve
sciatic nerve
posterior femoral cutaneous nerve
nerve to obturator internus
nerve to quadratus femoris
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25
Q

boundaries of the greater sciatic foramen

A

rim of the great sciatic notch (anterosuperior)
sacrotuberous ligament (posteromedial)
sacrospinous ligament and ischial spine (inferior)

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26
Q

boundaries of the lesser sciatic foramen

A

body of ischial tuberosity (anterior)
ischial spine and sacrospinous ligament (superior)
sacrotuberous ligament (posterior)

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27
Q

the tendon of the obturator internus EXITS the pelvis via _______.

A

the lesser sciatic foramen

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28
Q

the structures ENTERING the pelvis via the lesser sciatic foramen (3)

A

PIN

Pudendal nerve
Internal pudendal vessels
Nerve to obturator internus

29
Q

what kind of joint is the hip joint?

A

synovial, multi-axial, ball and socket joint

30
Q

what is the hip joint designed for?

31
Q

The head of the femur and the surface of the acetabulum (except for the fovea capitis) is covered by _____.

A

hyaline cartilage

32
Q

what part of the head of the femur is not covered in hyaline cartilage

A

fovea capitis

33
Q

a fibrocartilaginous rim attached to the margins of the acetabulum, which deepens and increases the stability of the joint

A

acetabular labrum

34
Q

what bridges over the acetabular notch to close the acetabulum?

A

transverse ligament of the acetabulum

35
Q

6 ligaments associated with the hip joint

A
  1. articular capsule
  2. iliofemoral ligament
  3. pubofemoral ligament
  4. ischiofemoral ligament
  5. ligamentum capitis femoris
  6. transverse ligament of the acetabulum
36
Q

ligament from the acetabular notch to the fovea capitis- it provides blood vessels to the head of the femur

A

ligamentum capitis femoris

37
Q

ligament of hip joint that limits medial rotation

A

ischiofemoral ligament

38
Q

ligament of hip joint that prevents abduction

A

pubofemoral ligament

39
Q

ligament of hip joint that prevents overextension if the joint (becomes taut)

A

iliofemoral ligament (also called y-shaped ligament of bigelow)

40
Q

large superficial muscle that is primarily responsible for the prominence of the buttock

A

gluteus maximus

41
Q

what innervates the gluteus Maximus?

A

inferior gluteal nerve

42
Q

two bursae that lie deep to the gluteus Maximus

A

trochanteric and ischiogluteal bursa

43
Q

bursa found between the gluteus Maximus and the greater trochanter

A

trochanteric bursa

44
Q

bursa between the gluteus Maximus and the ischial tuberosity

A

ischiogluteal bursa

45
Q

the gluteus medius is innervated by what nerve?

A

superior gluteal nerve

46
Q

weakness in the gluteus medius results in _______.

A

trendelenburg sign

47
Q

individuals with a weak gluteus medius also may demonstrate an unusual gait pattern known as the ______.

A

gluteus medius lurch

48
Q

the gluteus minimus is innervated by what nerve?

A

superior gluteal nerve

49
Q

smallest and deepest of the three gluteal muscles.

A

gluteus minimus

50
Q

the tensor fasciae latae is innervated by what nerve?

A

superior gluteal nerve

51
Q

what encloses the tensor fasciae latae?

A

fascia latae

52
Q

Where does the tensor fasciae latae insert and end?

A

iliotibial tract between the middle and upper third of the thigh

53
Q

the piriformis is innervated by what nerve?

A

nerve to the piriformis

54
Q

muscle that lies next to the gluteus minimus

A

piriformis

55
Q

The piriformis exits through the ________ and inserts into the _________.

A

greater sciatic foramen

upper border of the greater trochanter

56
Q

the tendon of the obturator internus is joined by what two muscles?

A

superior and inferior gemellus

57
Q

flat muscle covering the external surface of the posterior pelvic wall

A

quadratus femoris

58
Q

the quadratus femoris is innervated by what nerve?

A

nerve to quadratus femoris

59
Q

muscle that crosses the posterior aspect of the neck of the femur and ends on the quadrate tubercle of the femur

A

quadratus femoris

60
Q

muscle that arises from the external surface of the obturator foramen and obturator membrane.

A

obturator externus

61
Q

only muscle of the gluteal region that is supplied by the obturator nerve

A

obturator externus

62
Q

muscles of the gluteal region that produce hip abduction

A

piriformis,obturator internus, superior and inferior gemellus, and obturator externus

63
Q

muscles of the gluteal region that produce active external rotation of the hip

A

piriformis,obturator internus, superior and inferior gemellus, quadratus femoris, and obturator externus

64
Q

gluteal muscle that produces hip ADDuction

A

quadratus femoris

65
Q

the common iliac artery divided into the ____ and _____.

A

external and internal iliac artery

66
Q

the internal iliac artery splits into the ____ and _____ trunks.

A

anterior and posterior trunks

67
Q

the external iliac artery becomes the ____.

A

femoral artery

68
Q

the posterior trunk of the internal iliac artery becomes the _____.

A

superior gluteal artery

69
Q

the anterior trunk of the internal iliac artery becomes the _____.

A

inferior gluteal artery

MUSC Anatomy Exam 2 (10 decks)

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