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

Lecture 17- Bony Pelvis and Hip Flashcards

(69 cards)

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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
boundaries of the greater sciatic foramen
rim of the great sciatic notch (anterosuperior) sacrotuberous ligament (posteromedial) sacrospinous ligament and ischial spine (inferior)
26
boundaries of the lesser sciatic foramen
body of ischial tuberosity (anterior) ischial spine and sacrospinous ligament (superior) sacrotuberous ligament (posterior)
27
the tendon of the obturator internus EXITS the pelvis via _______.
the lesser sciatic foramen
28
the structures ENTERING the pelvis via the lesser sciatic foramen (3)
PIN Pudendal nerve Internal pudendal vessels Nerve to obturator internus
29
what kind of joint is the hip joint?
synovial, multi-axial, ball and socket joint
30
what is the hip joint designed for?
support
31
The head of the femur and the surface of the acetabulum (except for the fovea capitis) is covered by _____.
hyaline cartilage
32
what part of the head of the femur is not covered in hyaline cartilage
fovea capitis
33
a fibrocartilaginous rim attached to the margins of the acetabulum, which deepens and increases the stability of the joint
acetabular labrum
34
what bridges over the acetabular notch to close the acetabulum?
transverse ligament of the acetabulum
35
6 ligaments associated with the hip joint
1. articular capsule 2. iliofemoral ligament 3. pubofemoral ligament 4. ischiofemoral ligament 5. ligamentum capitis femoris 6. transverse ligament of the acetabulum
36
ligament from the acetabular notch to the fovea capitis- it provides blood vessels to the head of the femur
ligamentum capitis femoris
37
ligament of hip joint that limits medial rotation
ischiofemoral ligament
38
ligament of hip joint that prevents abduction
pubofemoral ligament
39
ligament of hip joint that prevents overextension if the joint (becomes taut)
iliofemoral ligament (also called y-shaped ligament of bigelow)
40
large superficial muscle that is primarily responsible for the prominence of the buttock
gluteus maximus
41
what innervates the gluteus Maximus?
inferior gluteal nerve
42
two bursae that lie deep to the gluteus Maximus
trochanteric and ischiogluteal bursa
43
bursa found between the gluteus Maximus and the greater trochanter
trochanteric bursa
44
bursa between the gluteus Maximus and the ischial tuberosity
ischiogluteal bursa
45
the gluteus medius is innervated by what nerve?
superior gluteal nerve
46
weakness in the gluteus medius results in _______.
trendelenburg sign
47
individuals with a weak gluteus medius also may demonstrate an unusual gait pattern known as the ______.
gluteus medius lurch
48
the gluteus minimus is innervated by what nerve?
superior gluteal nerve
49
smallest and deepest of the three gluteal muscles.
gluteus minimus
50
the tensor fasciae latae is innervated by what nerve?
superior gluteal nerve
51
what encloses the tensor fasciae latae?
fascia latae
52
Where does the tensor fasciae latae insert and end?
iliotibial tract between the middle and upper third of the thigh
53
the piriformis is innervated by what nerve?
nerve to the piriformis
54
muscle that lies next to the gluteus minimus
piriformis
55
The piriformis exits through the ________ and inserts into the _________.
greater sciatic foramen | upper border of the greater trochanter
56
the tendon of the obturator internus is joined by what two muscles?
superior and inferior gemellus
57
flat muscle covering the external surface of the posterior pelvic wall
quadratus femoris
58
the quadratus femoris is innervated by what nerve?
nerve to quadratus femoris
59
muscle that crosses the posterior aspect of the neck of the femur and ends on the quadrate tubercle of the femur
quadratus femoris
60
muscle that arises from the external surface of the obturator foramen and obturator membrane.
obturator externus
61
only muscle of the gluteal region that is supplied by the obturator nerve
obturator externus
62
muscles of the gluteal region that produce hip abduction
piriformis,obturator internus, superior and inferior gemellus, and obturator externus
63
muscles of the gluteal region that produce active external rotation of the hip
piriformis,obturator internus, superior and inferior gemellus, quadratus femoris, and obturator externus
64
gluteal muscle that produces hip ADDuction
quadratus femoris
65
the common iliac artery divided into the ____ and _____.
external and internal iliac artery
66
the internal iliac artery splits into the ____ and _____ trunks.
anterior and posterior trunks
67
the external iliac artery becomes the ____.
femoral artery
68
the posterior trunk of the internal iliac artery becomes the _____.
superior gluteal artery
69
the anterior trunk of the internal iliac artery becomes the _____.
inferior gluteal artery

MUSC Anatomy Exam 2 (10 decks)

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