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Anatomy - Block 1 > Lect 7 > Flashcards

Lect 7 Flashcards

1
Q

Arcuate Line?

A

Separates False Pelvis ( superior) and True Pelvis (Inferior)

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2
Q

What are the borders of the Greater Sciatic Foramen?

A

Sacrospinous, sacrotuberous and sciatic notch

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3
Q

The Sacrospinous Ligament is Posterior or Anterior to Sacrotuberous Ligament?

A

Anterior

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4
Q

What goes through the Greater Sciatic Foramen?

A

Sciatic Nerve

Piriformis Muscle

Pudendal Nerve

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5
Q

What goes through the Lesser Sciatic Foramen?

A

Tendon of Obturator Internus Muscle

Pudendal Nerve

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6
Q

Pudendal Nerve innervates both GSF and LSF. How?

A

Goes out the GSF and turns back into the pelvis through the LSF, does this because it has to supply most of the genital and perineal area.

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7
Q

List the Gluteal Region From Superior to Inferior.

A

Superior to Inferior Muscles :

Piriformis

Superior Gemalis

Obturator Internus Muscle

Inferior Gemalis

Quadratus Femoris

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8
Q

Gluteal Region is vascularized by arterial branches from?

A

Internal Iliac Artery

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9
Q

External Iliac Artery –> goes to what artery.

What does it have to do with the gluteal region?

A

Goes to the Femoral Artery.

Just wants to pass through to get to the thigh.

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10
Q

Abdominal Aorta ->

A

Common Iliac Artery → External and Internal Iliac Artery.

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11
Q

Internal Iliac Artery –> two arteries come off of this. What are they?

A

Superior and Inferior Gluteal Artery come off of here.

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12
Q

Internal Iliac Artery–>

A

Superior and Inferior Gluteal Artery –> Internal Pudendal Artery–>

Obturator Artery

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13
Q

All somatic nerve plexus are formed by

A

VENTRAL PRIMARY RAMI.

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14
Q

Pelvic Splanchnics give off what kind of sensory aspect?

A

Parasympathetic

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15
Q

Posterior Femoral Cutaneous →

First, what does PFC do?

What nerve comes off of it?

What nerve came before PFC?

A

It gives sensory to the back of the thigh –>

Inferior Cluneal Nerve comes off of it

Sciatic Nerve –> PFC –> Inferior Cluneal nerve

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16
Q

What does Inferior Cluneal Nerve do?

What did it come off of?

A

supplying sensory innervation of the lower gluteal region

it came off the PFC

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17
Q

Middle and Superior Cluneal Nerve are from what nerve?

A

Dorsal Primary Rami

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18
Q

What are the roots of the sciatic nerve?

A

Sciatic nerve

L4- S3

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19
Q

Label this. This nerve comes from?

A

GSF and between the Piriformis and Superior Gemullis.

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20
Q

Obturator Nerve goes through?

A

Obturator Foramen

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21
Q

Psoas Major. Label the borders.

A

Genitofemoral Nerve ( Superior)

Obturator Nerve ( Medial)

Femoral Nerve (Lateral)

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22
Q

Anterior Thigh: Innervation and Arterial Supply?

A

Femoral nerve and Femoral Artery

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23
Q

Medial Thigh Innervation and Arterial Supply?

A

Obturator Nerve and Obturator Artery

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24
Q

Posterior thigh innervation and arterial supply?

A

Posterior Thigh

Perforating Branches of Deep Femoral Artery

Sciatic Nerve

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25
Q

Tensor Fascia Lata Muscle

Innervation?

Arterial Supply?

Proximal Attachment?

Distal Attachment?

A

Innervation : Superior Gluteal Nerve

Fxn : Abductor of the thigh @ the hip

Proximal Attachement : ASIS

Distal Attachment: Iliotibial band (tract)

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26
Q

Gluteus Maximus

Fxn:

Attachment:

Innervation:

A

Fxn: Extension of the thigh @ the hip and back of the hip & Lat Rotation of the thigh at the hip.

Attachment: post. Crest, sacrotuberous ligament post to sacral spinous ligament.

Distal Attachment : Illiotibal tract – same as TFL muscle.

Innervation: Inferior Gluteal Nerve

Arterial Supply:Superior and Inferior Gluteal Artery

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27
Q

Piriformis, Obturator Internus, Gluteus Minimus, Gluteus Medius

All have distal attachment at

A

Greater Trochanter!

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28
Q

Piriformis muscle

Innervation

Artery

A

Piriformis muscle

Innervation

Nerve to Piriformis

Artery

Inferior Gluteal Artery

29
Q

Obturator Internis

Innervation

Arterial Supply

A

Obturator Internis

Innervation

Nerve to Obturator Internis

Arterial Supply

Inferior Gluteal Artery

30
Q

Gluteus Medius

Innervation

Arterial Supply

A

Gluteus Medius

Superior Gluteal Nerve

Superior Gluteal Artery

31
Q

Gluteus Minimus

Innervation

Arterial Supply

A

Gluteus Minimus

Superior Gluteal Nerve

Superior Gluteal Artery

32
Q

What muscles are innervated by a superior gluteal nerve?

A

Gluteus Medius

Gluteus Minimus

Tensor Fascia Lata

33
Q

What muscle is innervated by the Inferior gluteal nerve?

A

Gluteus Maximus

34
Q
A
35
Q

If you damage the superior gluteal nerve, your abduction would?

Legs would be?

A

If you damage the superior gluteal nerve, your abduction would WEAKEN.

Legs would be closer together and hip would drop.

36
Q

Gluteal Region Short Rotator Muscles of the Hip

A

Superior Gemellus

Inferior Gemellus

Quadratus Femoris

37
Q

Superior Gemellus

Proximal Attachment:

Distal Attachment:

Nerve:

A

Superior Gemellus

PA: Ischial spine

DA: Greater Trochanter

Nerve: Nerve to Obtratur Int.

Literally the Muscle right under Superior Gemellus will innervate it. Only applied for rotator muscles of the hip.

38
Q

Inferior Gemellus

Proximal Attachment:

Distal Attachment:

Nerve:

A

Inferior Gemellus

PA: Ischial Tuberosity

DA: Great Trochanter

Nerve- Nerve to Quadratus Fem.

The muscle right under Inferior Gemellus will inervate it.

39
Q

Quadratus Femoris

Proximal Attachment:

Distal Attachment:

Nerve:

A

Quadratus Femoris

PA: Ishial Tuberosity

DA: Interochanteric crest of femur

Nerve: Nerve to Quadratus Femoris

40
Q

Muscles for Lateral Rotation of the hip

A

Lateral Rotation

Piriformis

Obturator Internus

Sup and Inf gemellus

Quadratus Femoris

41
Q

Abduction and Medial Rotation, if there is a weakness in these two muscles what can be diagnosed?

A

Trendelenburg gait

GLuteus Medius

Gluteus Minimus

42
Q

What muscles does the Superior Gluteal Nerve Innervate?

A

Tensor Fascia Latta

Gluteus Medius

Gluteus Minimus

43
Q

Inferior Gluteal Nerve

A

Gluteal Maximus

44
Q

What muscle is innervated by the Obturator Internus nerve?

A

Obturator Internus

Superior Gemellus

45
Q

Nerve to Quadratus Femoris innervates what?

A

Quadratus Femoris

Inferior Gemellus

46
Q

Nerve to Piriformis innervates?

A

Piriformis

47
Q

Nerves to Gluteal Region

A

Inferior Gluteal nerve

Superior Gluteal nerve

Nerve to quadratus femoris

Nerve to obturator internus

Inferior cluneal nerve

48
Q

Nerves to thigh and leg

A

Nerves to thigh and leg

Sciatic

Post femoral cutaneous

49
Q

Perineum

A

Puendal Nerve

50
Q

Gluteal Injection

A

Given Laterally and Superiorly

To not hit a superior and inferior gluteal nerves

51
Q

Inferior Gluteal Nerve Palsy

A

Cannot Extend Hip

Difficulty standing up from a chair

Remember: inferior gluteal nerve supplies Gluteus Maximus

52
Q

THIGH

Vascularization

A

External Iliac Artery –> Femoral Artery –> Deep Femoral Artery

53
Q

Femoral Artery –>

A

Femoral Artery –> Popliteal Artery (once it passes adductor hiatus) –> Anterior and posterior Tibial Artery

54
Q

Posterior Thigh

Semitendinosus

A

Very thick near the knee

Prox Attachment: Ischial Tuberosity

Nerve: Sciatic Nerve

Artery: Br. deep femoral artery

55
Q

Semimembranous

Prox attachment:

Nerve:

Artery:

A

Semimembranous

Prox attachment: Ischial tuberosity

Nerve: Sciatic Nerve

Artery: Br. deep femoral artery

56
Q

Biceps Femoris

Prox:

Nerve:

Artery:

A

Biceps Femoris

Prox: Ischial Tuberosity

Nerve: Sciatic Nerve

Artery: Br. Deep Femoral Artery

57
Q

Biceps Femoris vs Semitendinosus and Semimembranosus

A

Major Differences:

Semitendinosus and Semimembranosus

DA: Tibia

Innervation: Tibial portion of the sciatic nerve

Biceps Femoris

DA: Fibula

Innervation: Common Fibular portion of the sciatic nerve

Short head of bicep femoris

PA: Linea Aspera

Long Head

PA: Ischial tuberosity

58
Q

The Femoral Artery runs through the?

A

Femoral Artery runs through the

adductor hiatus→ popliteal artery

59
Q

Popliteal Fossa

Borders:

A

Medial Superior : Semitendinosus and Semimemnranosous

Lateral Superior: Biceps Femoris

Medial Inferior : Medial Gastrocnemius (Calf)

Lateral Inferior: Lateral Gastrocnemius (Calf)

60
Q

Popliteal Content

A

Popliteal Fat

Popliteal artery

Popliteal vein

Sciatic Nerve

Sural Calf Nerve

61
Q

Medial rotation

turn foot?

Lateral Rotation

Turn foot?

A

Medial rotation- turn foot inward

Lateral Rotation- turn foot outward

62
Q
A

Quadratus. Femoris

63
Q

If you sever the nerve to this muscle, what muscle would be affected?

A

Gluteus Minimus

64
Q
A
65
Q
A
66
Q
A
67
Q
A
68
Q

Trendenlburg Gait

A
69
Q
A

Anatomy - Block 1 (12 decks)

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