Lecture 1: Buttocks And Thigh Flashcards

1
Q

4 gateways of neurovascular bundles in lower extremities

A
  1. Inguinal notch
  2. Greater sciatic
  3. Lower sciatic
  4. Obturator foramen
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2
Q

Superior and inferior boundaries of buttocks

A
Iliac crest (sup)
Fold of buttocks (inf)
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3
Q

Cutaneous innervation of upper medial quadrant of buttocks

A

Posterior rami of the upper 3 LUMBAR NERVES and upper 3 SACRAL NERVES

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4
Q

Cutaneous innervation of upper lateral quadrant of buttocks

A

Lateral branches of iliohypogastric

Anterior rami of 12th thoracic nerves

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5
Q

Cutaneous innervation of lower lateral quadrant of buttocks

A

Lateral cutaneous nerve of the thigh (L2 and L3, anterior rami)

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6
Q

Cutaneous innervation of the lower medial quadrant

A

Posterior cutaneous nerve of the thigh (S1, S2, S3, anterior rami)

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7
Q

Cutaneous innervation of the skin over the coccyx

A

Lower sacral and coccygeal nerves

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8
Q

It is a group of lymph nodes where lymph vessels from buttocks drain

A

Lateral group of superficial inguinal nodes

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9
Q

2 fasciae found in buttocks

A

Superficial fascia

Deep fascia

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10
Q

The deep fascia of the thigh

A

Fascia lata

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11
Q

Thickened fascia along the lateral aspect of the thigh

A

Iliotibial tract

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12
Q

The muscle continuous with the superior border of the iliotibial tract

A

tensor fascia lata

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13
Q

The highest portion of the lower extremity

A

Iliac crest

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14
Q

3 bones of the hip bone

A

Ilium
Ischium
Pubis

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15
Q
  • Point where the 3 bones of the hip bone meet

- Fossa where head of femur insert

A

Acetabulum

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16
Q

The inferior margin of the acetabulum

A

Acetabular notch

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17
Q

The floor of the acetabulum

A

Acetabular fossa

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18
Q

The joint formed by sacrum and articular surface of iliac

A

Sacroiliac joint

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19
Q

Articulation of pubis of the hip inferiorly

A

Symphysis pubis

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20
Q

6 important landmarks in the iliac ASIS

A
AIIS
PSIS
PIIS
Iliac tubercle
Iliac crest
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21
Q

Largest muscle in the body

A

Gluteus maximus

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22
Q

Locations of the 3 bursa associated with the gluteus maximus

A
  1. Between tendon of insertion and the greater trochanter
  2. Between tendon of insertion and vastus lateralis
  3. Overlying the ischial tuberosity
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23
Q

The muscle that is continuous with the iliotibial tract and assist the gluteus maximus in keeping the knee at extended position

A

Tensor fascia lata

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24
Q

Only muscle that passes through the greater sciatic foramen

A

Piriformis

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25
Q

Fan-shaped muscle that lies within the pelvis at its origin; muscle netween the gemellus inferior and superior

A

Obturator foramen

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26
Q

Muscle inferior to gemellus inferior

A

Quadratus femoris

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27
Q

Components of triceps coxae

A

Obturator internus
G. Superior
G. Inferior

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28
Q

Action of superficial gluteal muscles

A

Abductors and extenders

And also medial rotators for all except gluteus maximus, which assist in lateral rotation

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29
Q

These are the four superficial gluteal muscles

A

Gluteus maximus
Gluteus medius
Gluteus mininmus
Tensor fascia lata

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30
Q

Arterial supply for gluteus medius, tensor fascia lata and gluteus minimus

A

Superior gluteal artery

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31
Q

Arterial supply for gluteus maximus

A

Inferior gluteal artery

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32
Q

Action of deep gluteal muscles

A

Lateral rotators

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33
Q

These are the deep gluteal muscles

A

Piriformis
Obturator internus
Gemelli inferior and superior
Quadratus femoris

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34
Q

2 ligaments that support the sacroiliac joint

These ligaments prevent rotation of sacrum in the sacroiliac joint.

A

Sacrotuberous and sacrospinous ligaments

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35
Q

Structures or foramina formed by the sacrotuberous and sacrospinous ligaments

A

Greater and lesser sciatic foramen

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36
Q

Direction of structures that passes through the greater sciatic foramen

A

From pelvic to gluteal region

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37
Q

Direction of structures that passes through the lesser sciatic foramen

A

From gluteal region to perineum

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38
Q

Structures that passes through the lesser sciatic foramen

A
  1. Tendon of obturator internus
  2. Nerve to obturator internus
  3. Pudendal nerve
  4. Internal pudendal artery and vein
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39
Q

only nerve passing the greater sciatic foramen above the piriformis muscle

A

Superior gluteal nerve

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40
Q

Nerves that pass through the greater sciatic foramen below the piriformis

A
  1. Inferior gluteal nerves
  2. Sciatic nerve
  3. Post femoral cutaneous
  4. Pudendal nerve
41
Q

supplies structures in the perineum

A

Pudendal nerve

42
Q

Provides the main blood supply to the head of the femur

A

Trochanteric anastomosis

43
Q

Components of trochanteric anastomosis

A

superior gluteal artery
inferior gluteal artery
medial femoral circumflex artery
lateral femoral circumflex artery

44
Q

it is situated at the level of the lesser trochanter of the femur;
together with the trochanteric anastomosis, provides a connection between the internal iliac and femoral arteries

A

Cruciate anastomosis

45
Q

What are the Arteries that take part in the cruciate anastomosis?

A

Inferior gluteal artery
Medial femoral circumflex artery
Lateral femoral circumflex artery
First perforating artery

46
Q

A superficial fascia that extend into the thigh and continues down over the lower limb without interruption

A

Fatty layer of superficial fascia

47
Q

A gap in the fascia in friont of the thigh just below the inguinal ligament. It is where the femoral vein and saphenous vein diverge

A

Fossa ovalis or saphenous opening

48
Q

The lower lateral margin of the saphenous opening which lies anterior to the femoral vessels

A

Falciform margin

49
Q

Loose connective tissue in the saphenous opening

A

Cribriform fascia

50
Q

The longest vein

A

Saphenous vein

51
Q

Saphenous vein starts at the ———

A

Foot

52
Q

The first segment of great saphenous vein drains at the ——

A

Median dorsal venous arch

53
Q

What vessel is found superficial to median malleolus?

A

Great saphenous

54
Q

What are the 3 tributaries of the great saphenous vein in the saphenous opening?

A

Superficial circumflex iliac vein
Superficial epigastric vein
Superficial external pudendal vein

55
Q

What vessel is used for venous cutdown and coronary bypass surgery?

A

Great saphenous vein

56
Q

What are the two main groups of lymph nodes in the lower limb?

A

Deep and superficial

57
Q

Horizontal group of superficial inguinal nodes receive lymph vessels from what areas?

A
  1. Anterior wall below the umbilicus
  2. Back portion below the iliac crest, buttocks
  3. External genitalia
  4. Urethra
  5. Lower half of anal canal
58
Q

Vertical group of superficial inguinal nodes receive lymph vessels from what areas?

A
  1. Lower limbs
59
Q

The inguinal group which is under the deep fascia.
It lies along the medial side of femoral vein.
It passes through the femoral canal to join the nodes along the exterior iliac vessels.

A

Deep inguinal nodes

60
Q

Three fascial compartments of the thigh.

A

Medial
Anterior
Posterior

61
Q

A structure that divides the thigh into three compartments.

A

Linea aspera

62
Q

Longest muscle of the thigh

A

Sartorius

63
Q

Most superficial muscle of the anterior thigh

A

Sartorius

64
Q

A muscle in the thigh that covers the femoral artery.

A

Sartorius

65
Q

Strongest flexor of the thigh

A

Iliopsoas

66
Q

An important antigravity postural muscles for erect posture

A

Iliopsoas

67
Q

Biggest muscle of the body

A

Quadriceps femoris group

68
Q

Which is stronger, hamstring or quadriceps?

A

Quadriceps

69
Q

Arterial supply of anterior thigh.

A

Femoral artery

70
Q

Nerve supply of anterior thigh

A

Femoral nerve

71
Q

Femoral artery starts at ——- and ends at ——-, to become ———artery.

A

Inguinal ligament
Adductor hiatus
Popliteal

72
Q

The 6 branches of femoral artery

A

Superficial circumflex iliac artery
Superficial epigastric (supplies region of umbilicus)
Superficial external pudendal artery
Deep external pudendal artery
Profunda femoris (largest branch)
Descending genicular artery (most distal)

73
Q

Femoral vein becomes ——- vein after passing through the ———-.

A

Popliteal vein

adductor hiatus

74
Q

The largest branch of lumbar plexus which supplies anterior thigh muscles

A

Femoral nerve

  • not included in the femoral sheath
  • passes laterally from psoas muscle and then downward between psoas and iliacus muscle
75
Q

3 borders of femoral triangle

A
Inguinal ligament (at the superior)
Adductor longus (at the medial side)
Sartorius (at the lateral side)
76
Q

Floor of the femoral triangle

A

Iliopsoas
Pectineus
Adductor longus

77
Q

Roof of the femoral triangle

A

Fascia lata

78
Q

Contents of the femoral triangle

A

NAVEL

79
Q

Femoral sheath is continuous above with ——- fascia in the abdominal wall.

A

Transversalis fascia

80
Q

Upper opening of femoral canal.

A

Femoral ring

81
Q

A condensation of extraperitoneal tissue that closes the femoral canal

A

Femoral septum

82
Q

Contents of femoral canal

A

Fatty connective tissue
Lymph vessels from deep inguinal nodes
Node of cloquet

83
Q

Other name for adductor canal

A

Subsartorial canal (because it is under the sartorius muscle)

84
Q

Boundaries of the adductor canal.

A

Roof: sartorius
Floor: add longus and magnus
Lateral: vastus medialis

85
Q

———- do not pass through the adductor hiatus

A

Nerves

86
Q

Annopening in the tendon of adductor magnus

A

Adductor hiatus

87
Q

Weakest, most medial, long slender muscle in the medial compartment of the thigh.

A

Gracilis

88
Q

Triangular muscle that has both adductor and hamstring part.

A

Adductor magnus

89
Q

A large artery that branch out laterally from femoral artery

A

Profunda femoris

90
Q

A branch of internal iliac artery

A

Obturator artery

91
Q

Two nerves that run medially from the psoas muscle

A

Obturator nerve and genitofemoral nerve

92
Q

Blood supply of the medial thigh

A

Profunda femoris ( its perforating branch supplies the posterior compartment) and obturator artery

93
Q

Nerve supply of medial thigh

A

Obturator nerve

94
Q

Criteria for hamstring muscles

A

Origin in ischial tuberosity
Insertion in either fibula or tibia
Nerve supply must be from tibial portion of sciatic nerve

95
Q

Posterior thigh muscle that is not part of the hamstring muscle

A

Biceps femoris short head

96
Q

Nerve supply of biceps femoris short head

A

Common peroneal branch of sciatic nerve

97
Q

Boundaries of the popliteal fossa

A

Semitendosus semi membranosus
Biceps femoris
Heads of gastrocnemius

98
Q

Contents of popliteal fossa

A

Popliteal artery and vein
Tibial nerve
Common peroneal nerve