Week 5 Lecture Material Flashcards Preview

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Flashcards in Week 5 Lecture Material Deck (105):
1

Os Coxae

comprised of the ilium, ischium and pelvis

2

What bones are the bony pelvis composed of

the Os Coxae, and the sacrum and the coccyx and the pubic symphysis.

3

What are the boundaries of the pelvis cavity

the pelvic inlet (superior opening) and the pelvic outlet is enclosed by the pelvis diaphragm.
anterior walls (bodies of the pubic rami and pubic symphysis
lateral walls: hip bones and obturator internus
posterior walls: sacrum, coccyx, SI joint and ligaments.

4

False pelvis

above the pubic inlet (from L5/S1 to the pubic symphysis.

5

True pelvis

between the pelvic inlet and outlet

6

pelvic inlet and outlet

the inlet is from L5/S1 to the pubic symphysis and the outlet is from the pubic symphysis to the coccyx.

7

the mid plane line of the pelvis is from which two points

the ischial spines.

8

the obturator canal is ___ to the obturator internus

superior

9

what passes through the obturator canal

the obturator nerve

10

what two ligaments make the greater and lesser sciatic notches

sacrospinous and sacrotuberous ligaments.

11

Describe the male verse the female pelvis

male: thick and heavy, inlet is heart shaped, outlet is small, and the arch is narrow. The foramen is round and the acetabulum is large.
female: thin and light, inlet is oval, outlet is large, arch is wide and foramen is oval. Acetabulum is small.

12

Pubic arch or subpubic angle in a male pelvis is about what degree and what about in a female

les than 70 for males and more than 80 in females.

13

Pelvic floor. Where does is stretch from? what shape is it? what muscles make it up?

funnel shaped pelvic diaphragm. consists of the levator ani and coccygeus.
From the pubis anteriorly to the coccyx posteriorly and from the walls of the pelvis on each side.

14

Muscles of the levator ani

iliococcygeus, pubococcygeus, and the puborectalis.

15

the piriformis exits what?

the greater sciatic foramen.

16

the sacrospinous ligament is ___ to the coccygeus

deep

17

the iliococcygeus goes from the ___ to attach to the ___

ilium to the coccyx.

18

of the levator ani, which is the most posterior

most posterior is the coccygeus

19

what are the Origin, insertion and innervation of the levator ani muscles

origin: body of pubis, obturator fascia, ischial spine.
Inserts: coccyx
innervation: nerve to levator ani (S3, S4)

20

Action of the levator ani

forms the muscular sling to support the abdominopelvic viscera, holds pelvic viscera in position, and assists with cavity compression like during coughing and sneezing

21

where does the puborectalis go from

from the pubic bone to the coccyx.

22

Coccygeus

Origin: ischial spine
Insertion: inf. end of sacrum and coccyx
Innervation: branches of S4 and S5
Action: supports pelvic viscera, and forms part of the diaphragm.

23

Puborectalis

forms a sling to keep the rectum shut so poop doesn't fly out. Usually at an 80 degree angle.

24

when there is excessive relaxation of the pelvic floor, what kind of herniations occur

rectocele (herniation of the rectum) and cystocele (herniation of the bladder, urethra and vaginal wall)

25

What is the main supply to the pelvic region

internal iliac artery.

26

What are the two branches of the internal iliac artery

the anterior (obturator, pudendal, and inferior gluteal) and posterior (superior gluteal, iliolumbar, lateral sacral)

27

the external iliac artery will turn into the ___ artery

femoral.

28

what is the main supplier of blood to the muscles of the pelvic diaphragm

the inferior gluteal artery

29

where does the inferior gluteal artery exit through. what does it supply

the greater sciatic foramen. supplies the gluteal region.

30

the inferior gluteal artery exits through the____ which is ___ to the piriformis

greater sciatic foramen and inferior to the piriformis.

31

what does the iliolumbar artery supply

the ilium and the posterior spine.

32

median sacral artery runs ___ the sacrum

down the anterior side

33

what are the muscles that attach on the anterior and lateral superior part of the femur

the piriformis, the gluteal minimus, obturator interns, and quadrates femoris

34

what muscles attach at the distal part of the femur.

the popliteus, gastroc (long and median head), PCL, ACL, adductor Magnus

35

what attaches to the superior part of the tibia?

meniscus, PCL, pes asnerines (sartorius, gracilis, and semitendinosis) and the soleus

36

which part of the patella has the larger articular surface?

the lateral part.

37

which side condyle of the femur is taller?

the lateral part.

38

what compartment of the thigh is the demoralized triangle located in

the anterior

39

the femoral triangle is located in the ___ thigh just _____ to the ___

anterior, just inferior to the inguinal ligament

40

What are the boundaries of the femoral traingle

superior: inguinal ligament
lateral: sartorius
medial: adductor longus
roof: fascia lata
floor: iliopsoas and pectineus

41

where does the inguinal ligament go from

the ASIS to the pubic tubercle

42

the adductor hiatus is a passageway for the ___ artery and vein which will then turn into the ___ artery and vein

femoral, then popliteus

43

What are other names for the adductor canal

the hunters canal or the subsartorius canal

44

the lateral cutaneous nerve of the thigh passes over which muscle

the sartorius

45

the femoral artery and vein are extension of what?

the external iliac artery and vein

46

is the great saphenous vein deep or superficial

superficial

47

what is housed in the femoral triangle.

the lateral femoral cutaneous nerve. the femoral nerve. the femoral artery and vein in a femoral sheath. profound femoris artery

48

the profound femoris artery gives rise to which arteries

the lateral and medial femoral circumflex arteries

49

the profound femoris is the main supplier of what

the thigh

50

the medial and lateral femoral circumflex arteries are the main suppliers to

the head and neck of the femur.

51

the femoral artery will become the ___ artery

the popliteal

52

the saphenous artery will enter the sheath at the

saphenous opening.

53

the median circumflex goes between what two muscles

the iliopsoas and the pectinous

54

what is the femoral canal

in the femoral sheath for lymphatics.

55

What is the venous system of the LE

the dorsal venous arch, great saphenous, perforating branches.

56

How does blood flow (superficial to deep?)

it goes superficial to deep

57

what are the point of valves

to fill blood above them to fight reflux and work against gravity.

58

what does the great saphenous vein drain into

the femoral vein

59

what does the small saphenous drain into

the popliteal vein

60

from the dorsal venous arch...

can go to small saphenous, popliteal, femoral. or from dorsal to great saphenous to femoral.

61

Adductor canal. what passes here

fascia tunnel in anterior thigh. femoral vessels to the popliteal fossa (posterior knee)

62

where is the adductor canal location

where the sartorius passes the adductor longs, and ends at the adductor hiatus

63

where is the adductor hiatus located

in the tendon of the adductor Magnus.

64

what is in the adductor canal

the femoral artery and vein, saphenous nerf and cutaneous branch

65

when the femoral artery and vein passes through the adductor hiatus it changes its name to

the popliteal artery and vein.

66

what separates the anterior medial and posterior thigh compartments

the intermuscluar septa.

67

What kind of muscles are in the anterior thigh, and what is its nerve innervation

the leg extensors, and the femoral nerve

68

What kind of muscles are in the medial thigh, and what is its nerve innervation

adductors and obturator nerve

69

What kind of muscles are in the posterior thigh, and what is its nerve innervation

leg flexors and hip extensors. and Sciatic nerve

70

between what two compartments is the adductor canal found

the anterior and medial

71

the subcostal nerve

supplies the lateral aspect of the anterior thigh and the greater trochanter (T12)

72

Iliohypogastric

(T12-L1). lateral branch skin over superolateral butt, and the anterior branch to the skin of pubis.

73

ilioinguinal

L1. through inguinal ring, inferior pelvis and proximal medial thigh.

74

genitofemoral

pelvis, medial inferior to inguinal ligament.

75

Lateral femoral cutaneous

lateral and anterior parts of skin of thigh. under lateral aspect of inguinal ligament. greater trochanter to just proximal of knee.

76

Femoral nerve. what about muscles

innervates skin anterior and medial thigh. ONLY INN MUSCLES IN ANTERIOR

77

anterior femoral cutaneous

from femoral nerve in triangle.runs along sartorius, innervates skin anterior and medial thigh.

78

Muscles in the anterior compartment

the rectus femoris, the vastus intermedialis, lateralis, medialis. sartorius and iliopsoas and pectineus

79

what muscle of the anterior thigh is the only one that passes over the hip

the rectus femoris.

80

which muscle is around the shaft of the femur

the vastus intermedialis

81

what is the articularis genus

the deep muscle that pulls on the patellar bursa so its not pinched under the patella during leg extension.

82

Recuts Femoris

O: anterior iliac spine and rim of acetabulum
I: tibial tuberosity (patellar lig)
N: femoral n
A: flex hip, extend knee

83

Vastus intermedialis

O: anterior surface of femur
I: tibial tuberosity (patellar lig)
N: femoral n
A: extend knee

84

Vastus lateralis

O: lateral surface of femur
I: tibial tuberosity (patellar lig)
N: femoral n
A: extend knee

85

Vastus medialis

O: medial surface of femur and tendon for add Magnus
I: tibial tuberosity (patellar lig)
N: femoral n
A: extend knee, controls patellar tracking

86

Sartorius

O: ASIS
I: superior end of medial surface of tibia (pes anserine)
N: femoral n
A: flex hip, laterally rotate, weak abductor and weak knee extender.

87

Pectineus

O: pectineal line of superior ramus of pubis
I: pectineal line femur
N: femoral n
A: flex hip, adduct

88

Muscles of the medial compartment

the gracilis, the adductor longus, Magnus and bravis

89

What nerve innervates the medial compartment

obturator

90

Adductor longus

O: body pubis
I: distal 2/3 linea aspera
N: obturator n
A: flex hip, adduct

91

Gracilis

O: inferior ramus pubis
I: medial tibia (pes anserine)
N: obturator n
A: flex hip, adduct

92

Adductor Magnus

O: tuberosity and ramus of ischium
I: linea aspera and adductor tubercle
N: obturator n and tibial portion sciatic
A: flex hip, adduct, extends thigh

93

adductor brevis

O: inferior ramus pubis
I: femur
N: obturator n
A: flex hip, adduct

94

what are the openings in the adductor Magnus for

the profound femoral arteries.

95

what passes through the adductor hiatus

the femoral artery and vein

96

what is the pes anserine

the medial superior part of the tibia where the sartorius, gracilis and semitendinosis attach (SGT) that anterior to posterior.

97

the femoral artery is ___ to the inguinal ligament

inferior

98

the profound femoris artery has...

perforations in the adductor Magnus.

99

the profound femoris branches into

medial and lateral femoral circumflex

100

The lateral femoral circumflex is under what muscle. supplies what?

rectus femoris and anterior hip

101

the medial circumflex is between what two muscles and supplies what

the iliopsoas and pectineus. supplies the posterior hip.

102

the profound femoris anastomosis with what artery

the popliteal.

103

the intermediate cutaneous nerve is in what part of the thigh

anterior.

104

the femoral nerve is behind what two muscles and under what ligament

the psoas and ilacus and the inguinal ligament

105

where does the obturartor nerve exit

though the canal and obturator externus.