Test 05.44 Gluteal Region Flashcards

1
Q
  1. What week do the upper limbs develop? What level are they?
A

4th week

C5-T1 level

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2
Q
  1. When do the lower limbs develop? What level?
A

5th week

L2-S2

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3
Q
  1. When do the upper/lower limbs rotate? What direction?
A

7th week
Upper laterally
Lower medially

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4
Q
  1. What is the difference between the pelvic girdle and the bony pelvis?
A

The pelvic girdle is the 2 hip bones together, whereas the bony pelvis includes the pelvic girdle, sacrum, and coccyx bound together by ligaments.

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5
Q
  1. What does the ala(wing) of the Illium provide attachment for? Which side?
A

Laterally: gluteal muscles
Medial: iliacus muscle

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6
Q
  1. From where to where does the iliac crest run?
A

Superiorly up to L4 level (disc b/n 4th/5th L) ->

Extends from ASIS to PSIS

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7
Q
  1. Draw the iliacus labeling the following:
A
  1. Body
  2. Iliac fossa (concavity in the ala)
  3. Superior 2/5 of acetabulum
  4. Iliac crest :
  5. Anterior inferior iliac spine
  6. Posterior inferior iliac spine
  7. Greater sciatic notch
  8. Auricular surface
  9. Gluteal lines
    Anterior
    Posterior
    Inferior
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8
Q
  1. Draw the Ischium with the following parts labeled:
A
  1. Body
        Ischial tuberosity
        Ischial spine Lesser sciatic notch
        Greater sciatic notch
  2. Ramus
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9
Q
  1. Draw the pubis and label the following parts:
A
  1. Body
        Symphysis pubis
        Pubic crest
        Pubic tubercle
2. 	Superior ramus
			Pectin line (pectin pubis)
  1. Inferior ramus
    obturator crest
        obturator foramen 
    
        acetabulum
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10
Q
  1. What does the PSIS serve as an attachment point for?
A

The posterior sacroiliac ligament

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11
Q
  1. What does the auricular surface articulates with?
A

Sacrum

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12
Q
  1. What 3 things form the sciatic foramen?
A

Greater sciatic noth
Sacrospinous ligament
Sacrotuberous ligament

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13
Q
  1. Name the structures that pass through the greater sciatic foramen
A

a. Piriformis muscle
b. Superior and inferior gluteal vessels and nerves
c. Internal pudendal vessels and pudendal nerve
d. Sciatic nerve

e. Posterior femoral cutaneous nerve
f. Nerve to quadratus femoris and inferior gemellus

g. Nerve to obturator internus and superior gemellus

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14
Q
  1. What structures pass through the lesser sciatic foramen?
A

Tendon of obturator internus
Internal pudendal vessels and pudendal nerve
Nerve to obturator internus

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15
Q
  1. What makes up the superficial layer of gluteal muscles? What is their action?
A

Gluteus maximus
Gluteus medius
Gluteus minimus

Mostly extensors and abductors of thigh

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16
Q
  1. For the gluteus maximus give the origin and insertion
A

Origin – sacrotuberous ligament, ilium (posterior to posterior gluteal line), sacrum and coccyx
Insertion – gluteal tuberosity and iliotibial tract

17
Q
  1. For the gluteus maximus give the action, nerve, and blood vessels
A

Action: Extension and lateral rotation of thigh
Rising from sitting
Nerve: Inferior gluteal
Blood: Superior and inferior gluteal arteries

18
Q
  1. Give the gluteus medius’ origin and insertion
A

Origin – ilium between anterior and posterior gluteal line

Insertion – Gr. Trochanter

19
Q
  1. What is the gluteus medius’ action, nerve, and blood vessel?
A

Action: Abduction/medial rotation of thigh
Prevent sagging (w/ gluteus minimus)
Nerve: Superior gluteal
Blood: Superior gluteal artery

20
Q
  1. What is the gluteus minimus’ origin and insertion?
A

Origin: ilium b/n anterior and inferior gluteal lines
Insertion: Greater trochanter

21
Q
  1. What is the gluteus minimus’ action, nerve, and blood vessel?
A

Action: Abduction and medial rotation
Nerve: Superior gluteal
Blood: Superior gluteal artery

22
Q
  1. What is the sacral plexus covered by?
A

Internal iliac artery

23
Q
  1. What does the sacral plexus lie over?
A

Ant. Surface of piriformis m.

24
Q
  1. What do the branches of the sacral plexus pass through?
A

Greater sciatic foramen

25
Q
  1. What is the sacral plexus formed by?
A

Ventral primary rami of lumbosacral trunk (L4-L5), (S1-S4)

26
Q
  1. What kinds of fibers contribute to the sacral plexus? From what chain?
A

It receives postganglionic sympathetic fibers from the lower end of sympathetic chain

27
Q
  1. What does the sacral plexus provide innervation for?
A

Gluteal region
Posterior thigh
Entire leg
Entire foot

28
Q
  1. What are the nerves of the posterior division of the sacral plexus?
A
Superior gluteal nerve
Inferior gluteal nerve
Nerve to piriformis
Common peroneal nerve
Posterior femoral cutaneous (partly)
29
Q
  1. What is the level of the superior gluteal nerve? What would be affected by its injury?
A

L4-S1

Affects gluteus medius, gluteus minimus, and tensor fasciae latae m’s

30
Q
  1. What level is the inferior gluteal nerve? What would injury do?
A

L5-S2

Injury to this nerve would affect gluteus maximus muscle

31
Q
  1. What level is the sciatic nerve at? What are its parts and what levels are they? Injury would?
A

Common peroneal –posterior part (L4, L5, S1,S2)
Tibial –anterior part (L4, L5, S1, S2, S3)
Injury to sciatic n. would not affect muscles in gluteal region

32
Q
32.	What are the levels for:
Nerve to quadratus femoris 
Nerve to obturator internus 
Posterior femoral cutaneous
Pudendal nerve
A
  1. Nerve to quadratus femoris (L4-S1)
  2. Nerve to obturator internus (L5-S2)
  3. Posterior femoral cutaneous (S1-S3)
  4. Pudendal nerve (S2-S4)
33
Q
  1. Where to the gluteal arteries originate from?
A

Originate directly/indirectly from internal iliac artery

34
Q
  1. What does the superior gluteal artery supply?
A

Gluteus maximus, medius, minimus and tensor fasciae latae

35
Q
  1. What does the inferior gluteal artery supply?
A

Gluteus maximus and short lateral rotators of thigh

36
Q
  1. What does the internal pudendal supply?
A

Perineal region

37
Q
  1. What are the veins of the gluteal region and what do they drain into?
A

Superior and inferior gluteal veins
Internal pudendal veins

Tributaries of internal iliac vein

38
Q
  1. Know region of intragluteal injections
A

Top right/left of gluteal region