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CT MSK 2 > Gluteal Region > Flashcards

Gluteal Region Flashcards

1
Q

What are the superior and inferior boundaries of the gluteal region?

A

Iliac Crest

Gluteal Sulcus

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2
Q

Which of the following cutaneus nerves of the Gluteal region come off the dorsal rami of L1-L3?

A. Superior Cluneal N.

B. Middle Cuneal N.

C. Inferior Cluneal N.

A

Superior Cluneal N.

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3
Q

Which of the following cutaneus nerves of the Gluteal region come off the dorsal rami of S1-S3?

A. Superior Cluneal N.

B. Middle Cuneal N.

C. Inferior Cluneal N.

A

Middle Cuneal N.

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4
Q

Which of the following cutaneus nerves of the Gluteal region come off the anterior rami of S1-S3?

A. Superior Cluneal N.

B. Middle Cuneal N.

C. Inferior Cluneal N.

A

Inferior Cluneal N.

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5
Q

Pain over the distribution of the Superior Cluneal N. and Middle Cuneal Ns. can be caused by which of the following?

A. Nerve impingement of the thoracic spine

B. Nerve impingement of the cervical spine

C. Nerve impingement of the lumbar spine

D. Nerve impingement of the sacral spine

A

Nerve impingement of the lumbar spine

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6
Q

Which of the following ligaments demarcates the “gateway to the pelvis” known as the Greater Sciatic Foramina? What structures does the ligament travel from

A. Iliofemoral L.

B. Sacrotuberus L.

C. Sacrospinous L.

D. None of the above

A

Sacrotuberus L.

Posterior Sacrum to Ischial Tuberosity

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7
Q

Which of the following ligaments demarcates the “gateway to the perineum” that is the Lesser Sciatic Foramen? What structures does the ligament travel from?

A. Iliofemoral L.

B. Sacrotuberus L.

C. Sacrospinous L.

D. None of the above

A

Sacrospinous L.

posterior sacrum to spine of the ischial spine

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8
Q

What are the 14 structures that traverse through the greater sciatic foramen?

recognize the contents that also go through the lesser sciatic foramen

A

Pudendal N.

Internal Pudendal A. and V.

N. to Obturator Internus

Superior Gluteal N., A., V

Posterior Femoral Cutaneus N.

Inferior Gluteal N, A, V

N. to Quadratus Femoris

Sciatic N.

Piriformis M.

Remeber: PINS PINS from below the Piriformis

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9
Q

What structures pass through the Lesser Sciatic Foramen?

A

Pudendal N.

Internal Pudendal A & V

N. to Obturator Internus

Tendon of Obturator Internus

Remember: PIN-T

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10
Q

Nerve impingement of the lumbar spine can cause pain over the distribution of what 2 nerves?

A. Superior and Inferior Cluneal Ns.

B. Superior and Middle Cluneal Ns.

C. Inferior and Middle Cluneal Ns.

D. Trick question: only the Superior Cluneal Ns.

A

Superior and Middle Cluneal Ns.

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11
Q

All of the cutaneus nerves of the gluteal region come off of dorsal rami except?

A. Superior Cluneal Ns

B. Middle Cluneal Ns.

C. Inferior Cluneal Ns.

A

Inferior Cluneal Ns.

comes off the ventral rami of S1-S3

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12
Q

All of the cutaneus nerves of the gluteal region come off of the rami of S1-S3 except?

A. Superior Cluneal Ns

B. Middle Cluneal Ns.

C. Inferior Cluneal Ns.

A

Superior Cluneal Ns

dorsal rami of L1-L3

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13
Q

The gluteus maximus M. originates from 3 structures. They include the ilium (posterior to the gluteal line), the dorsal surface of the sacrum, and what 3rd structure?

A. External Ilium (between Anterior and Posterior Gluteal Lines)

B. ASIS

C. Iliac Crest (Anterior)

D. Sacrotuberus L.

A

Sacrotuberus L.

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14
Q

The Gluteus Medius and Gluteus Minimus M. both originate from which of the following structures?

A. External Ilium (between Anterior and Posterior Gluteal Lines)

B. ASIS

C. Iliac Crest (Anterior)

D. Sacrotuberus L.

A

External Ilium (between Anterior and Posterior Gluteal Lines)

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15
Q

The Tensor Fascia Lata M. originates from what two structures?

A. External Ilium (between Anterior and Posterior Gluteal Lines)

B. ASIS

C. Iliac Crest (Anterior)

D. Sacrotuberus L.

E. AIIS

A

ASIS

Iliac Crest (Anterior)

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16
Q

The Gluteus Maximus M. inserts onto what 2 structures?

A. Iliotibial Tract

B. Greater Trochanter (lateral surface)

C. Greater Trochanter (anterior surface)

D. Lateral Condyle of Tibia

E. Gluteal Tuberosity

A

Iliotibial Tract

Gluteal Tuberosity

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17
Q

The Gluteus Medius inserts on which of the following structures?

A. Iliotibial Tract

B. Greater Trochanter (lateral surface)

C. Greater Trochanter (anterior surface)

D. Lateral Condyle of Tibia

E. Gluteal Tuberosity

A

Greater Trochanter (lateral surface)

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18
Q

The Gluteus Minimus M. inserts onto what structure?

A. Iliotibial Tract

B. Greater Trochanter (lateral surface)

C. Greater Trochanter (anterior surface)

D. Lateral Condyle of Tibia

E. Gluteal Tuberosity

A

Greater Trochanter (anterior surface)

19
Q

The Tensor Fascia Lata M. inserts onto what 2 structures?

A. Iliotibial Tract

B. Greater Trochanter (lateral surface)

C. Greater Trochanter (anterior surface)

D. Lateral Condyle of Tibia

E. Gluteal Tuberosity

A

Iliotibial Tract

Lateral Condyle of Tibia

20
Q

The gluteus medius and gluteus minimus Ms. share the same arterial supply, nerve supply, and the same action.

What is the arterial supply?

What is the nerve supply?

A

Superior Gluteal A.

Superior Gluteal N.

21
Q

What is the innervation and arterial supply (2) of the Gluteus Maximus M.?

A

Inferior Gluteal A and N

Superior Gluteal A.

22
Q

All of the following muscles ABduct and Medially rotate the thigh, except? What 3 actions does it complete instead?

A. Tensor Fascia Lata M.

B. Gluteus Medius M.

C. Gluteus Minimus M.

D. Gluteus Maximus M.

A

Gluteus Maximus M.

Extension

Lateral Rotation

Rising from a seated position

23
Q

What combo of nerves and arteries supplies the Tensor Fascai Lata M.?

A. Superior Gluteal N and A

B. Inferior Gluteal N and A

C. Superior Gluteal N. and Medial Femoral Circumflex A.

D. Superior Gluteal N. and Lateral Femoral Circumflex A.

A

Superior Gluteal N. and Lateral Femoral Circumflex A.

24
Q

All of the following muscles laterally rotate the entended thigh and abduct the flexed thigh, EXCEPT? What single action does it complete instead?

A. Piriformis M.

B. Obturator Internus M.

C. Superior Gemelli M.

D. Inferior Gemelli M.

E. Quadratus Femoris M.

A

Quadratus Femoris M.

Laterally rotates the thigh

25
Q

What 2 actions does the Piriformis M., Superior and Inferior Gemelli Ms., and Obturator Internus M. perform?

A. Medial rotate the extended thigh

B. Laterally rotate the flexed thigh

C. Laterally rotate the extended thigh

D. Abduct the extended thigh

E. Abduct the flexed thigh

A

Laterally rotate the extended thigh

Abduct the flexed thigh

26
Q

The Obturator Internus M. and Superior/Inferior Gemelli Ms. all insert on what structure?

Bonus: what muscles insert on the other options

A. Greater Trochanter (superior surface)

B. Greater Trochanter (lateral surface)

C. Greater Trochanter (medial surface)

D. Quadrate Tubercle on femur

A

Greater Trochanter (medial surface)

Piriformis M= greater trochanter superior surface

Gluteus Medius= greater trochanter on anterior surface

27
Q

The Quadratus Femoris insert on what structure?

A. Greater Trochanter (anterior surface)

B. Greater Trochanter (lateral surface)

C. Greater Trochanter (medial surface)

D. Quadrate Tubercle on femur

A

Quadrate Tubercle on femur

28
Q

All of the following muscles recieve arterial supply from the Inferior Gluteal A., except for which of the following that receives arterial supply from the Medial Femoral Circumflex A.?

A. Quadratus Femoris M.

B. Piriformis M.

C. Superior and Inferior Gemelli M.

D. Obturator Internus M.

A

Quadratus Femoris M.

29
Q

What innervates the Piriformis M.?

A

N. to Piriformis

30
Q

What two muscles are innervated by the N. to the Obterator Internus?

A

Superior Gemelli M

Obturator Internus M.

31
Q

What 2 muscles are innervated by the N. to the Quadratus Femoris?

A

Inferior Gemelli M.

Quadratus Femoris M.

32
Q

What 6 muscles insert onto the Greater Trochanter in either superiorly, anteriorly, laterally, medially?

A

Superiorly: Piriformis M.

Anteriorly: Gluteus Minimus M.

Laterally: Gluteus Medius M.

Medially: Superior Gemili M., Obturator Internus M, Inferior Gemelli M.

33
Q

Which of the following muscles originates off the 2 locations, the Anterior Surface of Sacrum and Sacrotuberus L?

A. Piriformis

B. Obturator Internus

C. Superior Gemelli

D. Inferior Gemelli

E. Quadratus Femoris

A

Piriformis M.

34
Q

What structure does the Quadratus Femoris M. originate from?

A. Ischial Spine

B. Pelvic Surface of Obturator Membrane

C. Medial border of Ischial Tuberosity

D. Ischial Tuberosity

E. Lateral Border of Ischial Tuberosity

A

Lateral Border of Ischial Tuberosity

35
Q

What structure does the Superior Gemelli M. originate from?

A. Ischial Spine

B. Pelvic Surface of Obturator Membrane

C. Medial border of Ischial Tuberosity

D. Ischial Tuberosity

E. Lateral Border of Ischial Tuberosity

A

Ischial Spine

36
Q

What structure does the Inferior Gemelli M. originate from?

A. Ischial Spine

B. Pelvic Surface of Obturator Membrane

C. Medial border of Ischial Tuberosity

D. Ischial Tuberosity

E. Lateral Border of Ischial Tuberosity

A

Ischial Tuberosity

37
Q

What structure does the Obturator Internus M. originate from?

A. Ischial Spine

B. External Membrane of Obturator Foramen

C. Medial border of Ischial Tuberosity

D. Pelvic Surface of Obturator Membrane

E. Lateral Border of Ischial Tuberosity

A

Pelvic Surface of Obturator Membrane

38
Q

Pathology of the Piriformis M. can irritate what nerve causing tightness and spasm of the piriformis M.?

A

Sciatic N.

39
Q

Which of the following structures exit the pelvic space through the greater sciatic foramen and pass through the lesser sciatic foramen to enter the perineum?

A. Pudendal N. and Internal Pudendal N.

B. Internal Pudendal A and V

C. Pudendal N. and Internal Pudendal A.

D. N. to Obturator Internus and Internal Pudendal A.

A

Pudendal N. and Internal Pudendal A.

40
Q

What are the 4 arteries that contribute to the cruciate anastomosis, which provide collateral blood supply to help prevent necrosis of the femoral head?

A

1st Perforating Branch of Deep Femoral A.

Inferior Gluteal A.

Medial Femoral Circumflex A.

Lateral Femoral Circumflex A.

Remeber:Cruiciate Anastomosis 1st-Perform Inside My Legs

41
Q

The Trendelenburg Sign is also known as Duchenne’s Limp.

  1. It occurs due to a lesion of what nerve?
  2. Affects what muscles?
  3. Clinically presents in what way?
A

Lesion of the Superior Gluteal N. leads to weakness of the Gluteus Medius M. and Gluteus Minimus M.. The PT will have a pelvis droop on the opposite side of the injury and a gluteal gait where the foot won’t clear the ground in the swing phase

42
Q

An anesthetic block of the sciatic N. calls for injection a few centimeters inferior to the midpoint junction of the _________ and the superior part of the _________.

A. ASIS; PSIS

B. PSIS; lesser trochanter

C. PIIS; greater trochanter

D. PSIS; greater trochanter

A

PSIS; greater trochanter

43
Q

What artery supplies the head of the femur in early childhood but no longer in an elderly patient?

A. Superior Gluteal A.

B. Lateral Femoral Circumflex A.

C. A branch of the Obturator A.

D. Inferior Gluteal A.

E. Internal Pudendal A.

A

A branch of the Obturator A.

44
Q

Practice Lumbrosacral Plexus

A

Practice Lumbrosacral Plexus

CT MSK 2 (7 decks)

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