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OTD806 > Unit II Lec 17 > Flashcards

Unit II Lec 17 Flashcards

1
Q

the link between the lower limbs and the axial skeleton

A

pelvic girdle

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2
Q

The pelvic girdle is composed of 4 bones:

A
  • 2 coxal bones (form the pelvic walls)

- sacrum and coccyx (form the posterior wall)

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3
Q

The hipbone is the result of its fusion of 3 different bones:

A

ilium, ischium and pubis.

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4
Q

hip joint socket

A

acetabulum

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5
Q

the larger, upper part of the hipbone and forms the upper part of the acetabulum

A

ilium

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6
Q

forms the postero-inferior part of the hipbone and acetabulum

A

ischium

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7
Q

forms the anteromedial part of the hipbone and the acetabulum

A

pubis

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8
Q

The coxal bone may also be divided into what 2 grossly observed portions

A

the true or lesser pelvis below, and the false or greater pelvis above

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9
Q

The separation of the two areas of the coxal bone is formed by an oblique plane called the

A

iliopectineal line

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10
Q

If The femur articulates with the ________ superiorly

A

coxal bone

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11
Q

The femur articulates with the ________ inferiorly

A

patella and the tibia

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12
Q

the longest and strongest bone of the body

A

femur

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13
Q

A small depression near the center of the head that serves as an attachment for the ligament of the head of the femur

A

fovea capitis

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14
Q

The neck of the femur presents an angle (called angle of inclination) of about _____ degrees with the long axis of the shaft

A

125 degrees

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15
Q

joint that attaches the pelvic girdle to the axial skeleton

A

Lumbosacral joint

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16
Q

Sacrococcygeal joint, supported by what two ligaments

A

lateral sacrococcygeal ligaments and the posterior sacrococcygeal ligament

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17
Q

Joint between pubic bones in pelvic girdle

A

Interpubic joint

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18
Q

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

A

Sacroiliac (SI) joint

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19
Q

Four main ligaments of the sacroiliac joint

A

posterior ligament, interosseous sacroiliac ligament, anterior sacroiliac ligament, iliolumbar ligament

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20
Q

SI joint ligament is thin and situated on the anterior aspect of the joint

A

anterior sacroiliac ligament

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21
Q

a strong ligament observed running 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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22
Q

The SI joint also has two accessory ligaments (flat and triangular), known as the

A

Sacrotuberous ligament, Sacrospinous ligament

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23
Q

SI joint 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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24
Q

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

A

Sacrospinous ligament

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25
Q

SI joint accessory ligament that converts the greater sciatic notch into the greater sciatic foramen

A

Sacrotuberous ligament

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26
Q

SI joint accessory ligament that converts the lesser sciatic notch into the lesser sciatic foramen

A

Sacrospinous ligament

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27
Q

anterosuperior boundary of the greater sciatic foramen is

A

rim of the great sciatic notch

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28
Q

posteromedial boundary of the greater sciatic foramen is

A

sacrotuberous ligament

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29
Q

inferior boundary of the greater sciatic foramen is

A

sacrospinous ligament and ischial spine

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30
Q

muscle exits out of the pelvis through the greater sciatic foramen

A

piriformis muscle

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31
Q

nerves and vessels exit the greater sciatic foramen above the piriformis

A

superior gluteal nerves and vessels

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32
Q

Does inferior gluteal nerves and vessels exit above or below the piriformis

A

below

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33
Q

Does internal pudendal vessels exit above or below the piriformis

A

below

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34
Q

Does pudendal nerve exit above or below the piriformis

A

below

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35
Q

Does sciatic nerve exit above or below the piriformis

A

below

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36
Q

Does posterior femoral cutaneous nerve exit above or below the piriformis

A

below

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37
Q

Does nerve to obturator internus exit above or below the piriformis

A

below

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38
Q

Does nerve to quadratus femoris exit above or below the piriformis

A

below

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39
Q

anterior boundary of the lesser sciatic foramen

A

body of ischial tuberosity

40
Q

superior boundary of the lesser sciatic foramen

A

ischial spine and sacrospinous ligament

41
Q

posterior boundary of the lesser sciatic foramen

A

sacrotuberous ligament

42
Q

The tendon of the ____________ exits the pelvis via the lesser sciatic foramen

A

obturator internus

43
Q

The structures entering the pelvis through the lesser sciatic foramen are (PIN)

A

pudendal nerve
internal pudendal vessels
nerve to obturator internus

44
Q

The _______ joint is a synovial, multi-axial, ball and socket joint

45
Q

The head of the femur and the surface of the acetabulum are covered by a thick ________ cartilage (except for the fovea capitis).

46
Q

The head of the femur and the surface of the acetabulum are covered by a thick hyaline cartilage (except for the __________).

A

fovea capitis

47
Q

A fibrocartilaginous rim called the ________ is attached to the margins of the acetabulum

A

acetabular labrum

48
Q

The ________ provides a passage for the vessels and the nerves to the acetabulum joint

A

acetabular notch

49
Q

The labrum, continuous with the ____________ , bridges over the acetabular notch to close the acetabulum

A

transverse ligament of the acetabulum

50
Q

Ligaments associated with the hip joint, fibrous structure is thick and strong

A

Articular Capsule

51
Q

Ligaments associated with the hip joint, (anteriorly) or Y-shaped ligament of Bigelow prevents overextension of the joint - (becomes taut).

A

Iliofemoral ligament

52
Q

Ligaments associated with the hip joint, prevents abduction (is medial and inferior).

A

Pubofemoral ligament

53
Q

Ligaments associated with the hip joint, (posteriorly) limits medial rotation

A

Ischiofemoral ligament

54
Q

Ligaments associated with the hip joint, from the acetabular notch to the fovea capitis - provides blood vessels to the head of the femur

A

Ligamentum capitis femoris

55
Q

Ligaments associated with the hip joint, continuous with the labrums

A

transverse ligament of the acetabulum

56
Q

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

A

gluteus maximus

57
Q

innervation of gluteus maximus

A

inferior gluteal nerve

58
Q

bursa is found between gluteus maximus and the greater trochanter

A

trochanteric bursa

59
Q

bursa is between the gluteus maximus and the ischial tuberosity

A

ischiogluteal bursa

60
Q

trochanteric bursa and ischiogluteal bursa are both deep to what mx

A

gluteus maximus

61
Q

mx is partially covered posteriorly by the gluteus maximus. Its anterior portion is superficial.

A

gluteus medius

62
Q

gluteus medius innervation

A

superior gluteal nerve

63
Q

_________ is caused by a weak gluteus medius being unable to hold the pelvis level when the affected person is standing only on the ipsilateral lower limb

A

Trendelenburg sign

64
Q

Individuals with a weak gluteus medius also may demonstrate an unusual gait pattern, known as the _________

A

gluteus medius lurch

65
Q

is the smallest and the deepest of the 3 gluteal muscles

A

gluteus minimus

66
Q

gluteus minimus innervation

A

superior gluteal nerve

67
Q

gluteus minimis insertion where blends with capsule of hip joint

A

anterior border of the greater trochanter

68
Q

gluteal mx enclosed by the fascia latae

A

tensor fasciae latae

69
Q

tensor fasciae latae innervation

A

superior gluteal nerve

70
Q

tensor fasciae latae insertion

A

ends in the iliotibial tract between the middle and upper third of the thigh

71
Q

gluteal mx next to the gluteus minimis

A

piriformis

72
Q

piriformis innervation

A

nerve to the piriformis

73
Q

piriformis exits the pelvis through

A

greater sciatic foramen

74
Q

piriformis insertion

A

upper border of the greater trochanter

75
Q

gluteal mx that crosses the hip joint

A

obturator internus

76
Q

obturator internus innervation

A

nerve to the obturator internus and superior gemellus

77
Q

obturator internus emerges from what openeing before it crosses hip joint

A

lesser sciatic foramen

78
Q

obturator internus insertion (via its tendon)

A

medial surface of the greater trochanter

79
Q

small muscles lying adjacent to the tendon of the obturator internus

A

gemellus superior and gemellus inferior

80
Q

gemellus superior and gemellus inferior insertion

A

tendon of the obturator internus

81
Q

gamellus superior innervation

A

nerve to the obturator internus and superior gemellus

82
Q

gammellus inferior innervation

A

nerve to the quadratus femoris and inferior gemellus

83
Q

a flat muscle covering the external surface of the posterior pelvic wall

A

quadratus femoris

84
Q

quadratus femoris crosses the posterior aspect of the neck of the femur and inserts on the ________

A

quadrate tubercle of the femur

85
Q

arises from the external surface of the obturator foramen and obturator membrane, It passes underneath the hip joint and courses deep to the quadratus femoris

A

obturator externus

86
Q

obturator externus insertion

A

medial side of the greater trochanter at the trochanteric fossa

87
Q

obturator externus innervation

A

obturator nerve

88
Q

The one gluteal mx not involved in hip abduction

A

quadratus femoris

89
Q

quadratus femoris action

A

hip adduction

90
Q

Abdominal aorta becomes what main artery in gluteal region

A

common iliac artery

91
Q

common iliac artery divides into what two arteries

A

external and internal iliac arteries

92
Q

internal iliac artery splits into what two trunks

A

anterior and posterior trunks

93
Q

external iliac artery continues into the thigh as the

A

femoral artery

94
Q

posterior trunk of the internal iliac artery becomes what artery

A

superior gluteal artery

95
Q

anterior trunk of the internal iliac artery becomes what artery

A

inferior gluteal artery

96
Q

arteries give branches that supply the muscles of the hip, the hip joint, and the skin overlying the sacrum and the buttocks

A

superior and inferior gluteal arteries

OTD806 (43 decks)

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