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ANATOMY exam3 > gluteal/pelvis book > Flashcards

gluteal/pelvis book Flashcards

1
Q

what makes up the acetabulum? how much of a portion per part?
which bone is the strongest?

A

(2/5)bodies of the ilium, (2/5)ischium and lateral projection of superior ramus of pubis (1/5)

ischium strongest

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2
Q

what is the external surface of wing also known as? what are the 3 lines and their features and muscles attachments

A

dorsum ilii, anterior gluteal line-longest, postrior gluteal line-shortest, inferior gluteal line- least distinct

gluteus max takes origin posterior to posterior gluteal line

med: anterior and posterior gluteal line
glut min: anterior and inferior gluteal line

reflected head of rectus femoris attaches below the inferior gluteal line and above margin of acetabulum

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3
Q

what muscles attach external surface of the wing of the ilium

A

3 gluteal muscles and rectus femoris

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4
Q

what is the internal surface also known as?

A

iliac fossa

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5
Q

what attaches to the external lip and internal lip of the iliac crest

A

external lip: fascia lata, tensor fasciae latae

internal lip: iliac fascia , iliacus

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6
Q

where does the sacoiliac joint articulate

A

auricular surface

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7
Q

what structures attach to ASIS

A

iliacus muscle, INGUINAL ligament, sartorius, tensor fasciae latae

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8
Q

what structures are attached to the AIIS

A

iliofemoral ligament, straight head of rectus femoris, portion of iliacus

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9
Q

greater sciatic notch is a feature of what? where does it begin and end?

A

ilium and ischium

begins at the posterior inferior iliac spine
inferiorly: notch ends at ischial spine

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10
Q

what separates the greater and lesser sciatic notch

A

ischial spine

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11
Q

what are the two parts of of the ischial tuberosity? what attaches to each part?

what other structures attach to ischial tuberosity

A

quadrilateral part:
above the oblique line: semimebranosus
below: long head of biceps femoris and semitendinosus

triangular region: adductor magnus and sacrotuberous ligament

ischial tubersoity: quadratus femoris and inferior gemellus muscles

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12
Q

what is the nonarticular portion of the acetabulum called? which portion is the articular portion?

A

acetabular fossa

lunate surface=articular surface

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13
Q

what separates the body and the ala of the ilium

A 
margin of acetabulum externally
arcuate line (internally)
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14
Q

what is the fusion site between pubis and ilium called

A

iliopectineal eminence

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15
Q

what is the muscular attachment at the body of the pubis

A

Gracilis, adductor longus, adductor brevis

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16
Q

what are the 5 secondary ossification centers in the pubic bone

A 
pubic symphysis 
ASIS
iliac crest
ischial tuberosity 
inferior portion of acetabulum
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17
Q

what attaches to the lower portion of the lateral sacral surfaces

A

gluteus max, sacrospinus and sacrotuberous ligament

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18
Q

how many vertebrae make the sacrum vs coccyx

A

sacrum: 5
coccyx: 4

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19
Q

what allows for the cavity of acetabulum to further deepen?

A

acetabular labrum–fibrocartilaginous ring that attaches to the margin of bony acetabulum

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20
Q

what is located inferiorly in the lunate surface?

A

lunate surface is incomplete with an acetabular notch which is continuous with nonarticular acetaular fossa.

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21
Q

for forms a foramen through the acetabular notch to allow blood vessels and nerves to enter fossa to supply hip joint

A

transverse acetabular ligament

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22
Q

what is the rough depression center called? what is attached here

A

fovea capitis femoris where the ligamentum capitis femoris attaches

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23
Q

what part of the articular capsule is thicker? why?

A

superior and anterior areas because it needs greater resistance

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24
Q

part of capsule fibers run circularly around neck of femur forming what

A

zona orbicularis

25
Q

upper part of capsule is strengthened by what ligaments? what do these ligaments help prevent?

A

ilifemoral, pubofemoral, and ischiofemoral ligaments

these ligaments prevent internal rotation and hyper extension

26
Q

which pelvic ligament is the strongest, widest, and longest?attachment?

which ligament is not as well developed?
which is triangular shaped?
which ligament has fibers in a spiral course?

which ones are found anteriorly vs posterriorly?

A 
iliofemoral ligament (ANTERIOR)
ilium immediately below AIIS to greater trochanter and itertrochanteric line

pubofemoral ligament: not well developed (Anterior to iligemoral ligament)

ischiofemoral ligament: triangular, spiralled (posterior)

27
Q

what structures complete the circle closing surrounding head of femur?

A

acetabular labrum and transverse acetabular ligament

28
Q

ligamentum capitis femoris attachments

A

fovea capitis femoris–>separates into 3 bands–> 2 lateral bands fixed to margin of acetabular notch and medial band blends with transverse acetabular ligament

29
Q

what ligament helps deepen the cavity of acetabulum and protect the edges of aceabulum

A

acetabular labrum

30
Q

what forms to help hold the head head of the femur in the acetabulum

A

transverse acetabular ligament blends with acetabular labrum to form a complete circle closely surrounding head of femur

31
Q

what nerve supply to hip joint

A

femoral, obturator, accessory obturator, and inferior gluteal nerve

32
Q

blood supply to the hip joint

A

medial and lateral femoral circumflex

superior and inferior gluteal

obturator

33
Q

at what levels of the sacrum does the sacroiliac joint articulate? what surfaces are the joint formed

A

1st 3 sacral vertebrae.

joint formed between auricular surface of sacrum

34
Q

what ligaments strengthen the sacroiliac joint

A

anterior sacroiliac, posterior sacroiliac, interosseous sacroiliac

35
Q

which part of the acetabulum is non-articular vs articular

A

acetabular fossa: non

lunate: articualr

36
Q

where is the attachment site for dorsal sacroiliac ligaments

A

iliac tuberosity

37
Q

what attached to the ischial spine

A

superior gemelli and sacrospinalis ligament

38
Q

what is the only on muscle that attaches to the superior ramus

A

pectineus

39
Q

what are the muscles that attach to the inferior pubic ramus

A

gracilis, adductor brevis, adductor magnus, obturator externus

40
Q

how many and what are the surfaces of sacrum

A

4 surafces: 2 lateral, anterior, posterior

41
Q

what attaches to the lower portion of lateral sacral surface?

A

gluteus max, sacrospinus, sacrotuberous ligaments

42
Q

what do the ala of the sacrum support? what part of the ala represent what processes?

A

psoas major, and lumbosacral trunk

Anterior 3/4: ala represent the costal process
posterior 1/4: transverse process

43
Q

which pelvic hip bone has no ramus? 1? 2?

A

ilium: no ramus
pubis: two ramus
ischium: 1 ramus

44
Q

what attaches to the ischial ramus?

A

external: adductor magnus and obturator externus
internal: obturator internus

45
Q

what attaches at the body of pubis

A

Gracillis, adductor longus and brevis

46
Q

what attaches to the superior ramus of pectin pubis?

A

pectineus

47
Q

what attaches to the inferior pubic ramus?

A

gracilis, adductor brevis, adductor magnus and obturator externus

48
Q

which muscle takes the origin from 1st-4th sacral segment?

A

piriformis

49
Q

the nonarticulating surface of the acetabulum is formed primarily by what bone?

A

ischium

50
Q

what type of joint is the sacroiliac joint?

A

synoivial joint

51
Q

wake mes up the lumbar plexus, sacral plexus

A

ventral primary ramus of T12, L1-3, and part of L4

sacral: par of L4, all of L5-S3, and part of S4.

52
Q

which nerve is divided between two plexus? what is it called

A

L4, nervus furcalis

53
Q

how does obturator nerve vs accessory obturator N/ leave the pelvis?

A

obturator n goes through obturator canal

Accessory obtruator nerve: pass over superiorpubic ramus rather obturator foramen

54
Q

what does sacral plexus lie medial to? where does it leave? except for which branch?

A

lies medial to piriformis muscle; converge toward the greater sciatic foramen; all nerves enter plexus except S4

55
Q

what does the posterior femoral cutaneous nerve innervate? what are its branches and what do they supply

A

skin of gluteal region, posterior thigh, perineum and upper leg

inferior cluneal nerve: lateral portion of gluteus maximus

56
Q

where does the obturator artery branch off of

A

internal iliac artery

57
Q

what branch of the obturator artery supplies the femoral head

A

foveolar branch of obturator artery

58
Q

where does the superior and inferior gluteal veins drain into

A

internal iliac vein

ANATOMY exam3 (13 decks)

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