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V - KCU - MSK1 (T2) - OMS1 > Gluteal Region > Flashcards

Gluteal Region Flashcards

1
Q

What three bones comprise the os coxae

A

Ilium (superior)
Ischium(posterior)
Pubis (anterior)

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2
Q

What ligament forms the greater sciatic foramen

A

The sacrospinous L.

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3
Q

Where does the sacrospinous L attach

A

From the sacrum to the ischial spine

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4
Q

What forms the lesser sciatic foramen

A

The sacrotuberous L

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5
Q

Where does the sacrituberous L. Attach to

A

From the sacrum to the ischial tuberosity

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6
Q

What structures exit the greater sciatic foramen

PIN + PSG

A

Gluteal neurovascular bundles

Sciatic N.

Post. Fem. cutaneous N.

Prudendal N.

Internal Prudendal A.

N to oberator internus/superior gemellus

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7
Q

What structures enter the lesser sciatic foramen

A

Prudental N.

Internal Prudental A.

N. To obterator internus/superior gemellus M.’s

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8
Q

What exits the lesser sciatic foramen

A

The obturator internus m.

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9
Q

In general, the cluneal N. Innervates what

A

Cutaneous regions of gluteus

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10
Q

The superior and middle branches of the cluneal N. Are supplied by what

A

Dorsal rami

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11
Q

The inferior branches of the cluneal N. Are innervated by what

A

Ventral rami

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12
Q

All of the nerves in the sacral plexus are what type of nerves

A

Motor

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13
Q

What are the two divisions of the sacral plexus

A

Anterior and posterior divisions

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14
Q

What C nerves supplies the superior gluteal N.

A

Posterior division of SP

L4 - S1

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15
Q

What trunk nerve supplies Inferior Gluteal N.

A

Posterior division of SP

L5 - S2

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16
Q

What trunk nerve supplies the sciatic N.

A

Posterior and anterior divisions of the SP

L4 - S3

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17
Q

What does the sciatic N. Branch into and What trunk nerve supplies each

A
  1. Common fibular N. (L4 - S2)

2. Tibial N. (L4 - S3)

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18
Q

What trunk nerve supplies the posterior femoral cutaneous N.

A

Posterior and anterior divisions of SP

S1 - S3

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19
Q

Where do the superior gluteal N. And A. Leave the pelvis

A

Above the piriformis M.

20
Q

Where does the inferior gluteal N. Leave the pelvis

A

Inferior to the piriformis M.

21
Q

What does the superior gluteal N. Supply

A

Gluteus medius, gluteus minimus, and tensor fasciae latae

22
Q

What does the inferior gluteal N. Supply

A

The gluteus maximus

23
Q

Does the sciatic N. Supply anything in the gluteal region

A

NO

24
Q

What N. Supplies more skin than any other N.

A

Posterior femoral cutaneous N.

25
Q

What part of the leg does the posterior femoral cutaneous N. Supply

A

The superior posterior leg

26
Q

Define the course of the pundendal N.

A

Exits greater sciatic foramen under the piriformis and reenteres lesser sciatic foramen

27
Q

What does the superficial branch of the superior gluteal artery supply

A

Gluteus maximus

28
Q

What does the deep branch of the superficial gluteal A. Supply

A

The gluteus medius, gluteus minimus, and tensor fascia lata

29
Q

What does the inferior gluteal A. Supply

A

The gluteus maximus, small lateral rotators, and the superior hamstrings

30
Q

What arteries participate in cruciate anastomosis

LIMP

A

Inferior gluteal A.
Medial femoral circumflex A.
Lateral femoral circumflex A.
Perforating A.’s

31
Q

The internal pudental A. Follows what structure

A

The pudental N.

32
Q

What does the pudental A. supply

A

Pernial muscles and genitalia

NO GLUTEAL STRUCTURES

33
Q

What are the connecting points for the IT Band

A

The iliac tubercle to Gerdy’s Tubercle on lateral tibial condyle

34
Q

What are the functions of the IT Band

A

Assist in decelerating adduction of the thigh

Laterally stabilize knee

[pulls patella laterally, is the antagonist of vastus medialis and synergist with vastus lateralis

35
Q

Stretching of the It Band treats what

A

Chondromalacia patella

36
Q

Define trochanteric bursitis

A

Inflammation of the trochanteric bursa which results from repetitive actions such as climbing stairs while carrying heavy objects

37
Q

How does trochanteric bursitis occur

A

The superior tendons fibers of the gluteus maximus move back and forth over the over the bursae of the greater trochanter

38
Q

How does trochanteric bursitits present

A

Deep, diffuse pain in the lateral thigh region as well as point tenderness over the greater trochanter of the femur

39
Q

Define ischial bursitis

A

Results from repeated microtrauma which overwhelms the ability of the ischial bursa to dissipate applied stress

Causes excessive frition between the ischial bursa and the ischial tuberosity

40
Q

How does ischial bursitis present

A

Localized pain occurs over the bursa which increases with movement of the gluteus maximus

Can lead to pressure sores in bedridden people

41
Q

Define hamsrtring strains

A

Common in individuals who run and kick hard

Due to violent muscle exertion which may avulse part of the proximal tendinous attachments of the hamstring and ischial tuberosity

42
Q

Define duchenne’s limp

A

Due to an injury to the superior gluteal N.

Causes weakened abduction of the thigh by the gluteal medius and minimus

Medial rotation is also very impaired

43
Q

How does duchenne’s limp present

A

The patient has a limp that causes the affected side to be lower than the other and the foot to not clear the floor during the gait cycle

44
Q

What is a positive tendelenburg’s sign

A

Shows that the superior gluteal nerve is injured

When patient stands on one foot, the affected side drops down and patient;s muscles try to compensate for this

45
Q

Define piriformis syndrome

A

A compression of the sciatic N. Due to trauma of the buttocks and or hypertophy of the piriformis M.

Very common in a patient who has the common fibular div. of the sciatic nerve pass through the piriformis M.

46
Q

Define complete section of the sciatic N.

A

The leg become useless because extension of the hip is impaired and all ankle/foot movements are lost

47
Q

Define incomplete section of the sciatic N.

A

Results from a stab wound

V - KCU - MSK1 (T2) - OMS1 (16 decks)

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