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Winter Anatomy Quiz 1 > Gluteal Region and Posterior Thigh > Flashcards

Gluteal Region and Posterior Thigh Flashcards

1
Q

Where does the quadratus femoris insert?

A

Quadrate tubercle

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2
Q

Where does the gluteus maximus insert?

A

Gluteal tuberosity

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3
Q

On what side of the femur is the linea aspera located?

A

Posterior

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4
Q

Where does the anterior part of the hip joint capsule insert?

A

Intertrochanteric line

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5
Q

What are the components of the os coxa? What is their orientation?

A

Ilium- superior
Ischium- posterior
Pubis- anterior

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6
Q

Where do the components of the os coxa come together?

A

Acetebulum

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7
Q

What are the 3 gluteal lines on the ilium?

A

Posterior
Anterior
Inferior

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8
Q

Which muscle originates posterior to the posterior gluteal line?

A

Gluteus maximus

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9
Q

What muscle originates between the posterior and anterior gluteal lines?

A

Gluteus medius

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10
Q

What muscle originates between the anterior and inferior gluteal lines?

A

Gluteus minimus

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11
Q

What are the components of the hip joint?

A

Femoral head

Acetabulum

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12
Q

The ligaments of the hip joint prevent which movement?

A

Hyperextension of the femur

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13
Q

What is the strongest ligament of the hip joint?

A

Iliofemoral ligament

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14
Q

The Y ligament is also called?

A

Iliofemoral ligament

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15
Q

True or false. Most femur dislocations are as a result of tearing on the anterior side.

A

False. The strongest ligaments are more anterior and the weaker ligaments are posterior where most dislocations occur.

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16
Q

The ligaments of the hip joint extend along what structure?

A

Intertrochanteric line between greater and lesser trochanters

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17
Q

What structure deepens the hip socket for the femur?

A

Acetebular labrum

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18
Q

What happens if the angle of the neck of the femur to shaft is less than 120? Greater than 135?

A

Coxa vara

Coxa valga

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19
Q

What is Shenton’s line?

A

Neck of the femur forms an arch with the obturator foramen

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20
Q

What 2 clinical findings indicate a broken neck of femur?

A

Leg is externally rotated

Leg is superiorly displaced

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21
Q

What 2 muscles insert on the IT band?

A

Gluteus maximus

TFL

22
Q

What muscle is the most important for extension against gravity?

A

Gluteus maximus

23
Q

What muscle is the most powerful abductor of the thigh?

A

Gluteus medius

24
Q

What vessels run between the glut medius and glut minimus?

A

Superior gluteal vessels

25
Q

The trochanteric bursa lies between which 2 structures?

A

Gluteus maximus

Greater trochanter

26
Q

What are the 4 muscles that externally rotate hip?

A

Obturator internus + gemelli
Quad femoris
Piriformis
Glut maximus

27
Q

What are the 3 muscles that internally rotate the hip?

A

Glut medius
Glut minimus
TFL

28
Q

What are the 4 most important muscles that stabilize the hip joint while standing?

A

Glut maximus via IT band
TFL via IT band
Glut medius
Glut minimus

29
Q

What does a positive Trendelenburg Test indicate?

A

If pelvis drops while lifting leg, then there’s a problem with the stabilization of the opposite hip.

30
Q

What are 3 possibilities that explain a positive Trendelenburg Test?

A

Femoral dislocation
Glut med or min weakness
Superior gluteal nerve damage

31
Q

What are the 4 muscles of the hamstrings?

A

Semimembranosus
Semitendinosus
Biceps femoris long head
Biceps femoris short head

32
Q

All the hamstring muscles except for one originate at the ______? What is the exception?

A

Ischial tuberosity

Biceps femoris short head- linea aspera

33
Q

All the hamstring muscles except one are innervated by _______? What is the exception?

A

Tibial nerve

Biceps femoris short head- fibular nerve

34
Q

Where does the IT band insert?

A

Lateral tibial plateau at Gerty’s tubercle

35
Q

What does the IT band pass over before insertion?

A

Lateral femoral condyle

36
Q

The IT band can become irritated by what movement?

A

Repeated flexion of knee

37
Q

Where does the semimembranosus insert?

A

Medial tibial plateau

38
Q

What muscles insert on the pes anserine?

A

Semitendinosus
Gracilis
Sartorius

39
Q

The insertion of muscles on the anteromedial tibia is called what?

A

Pes anserine

40
Q

Where do the vessels for the glutes pass through?

A

Greater sciatic foramen

41
Q

Which vessels enter gluteal region superior to piriformis?

A

Superior gluteal vessels

42
Q

Which 5 vessels enter the gluteal region inferior to the piriformis?

A 
Inferior gluteal vessels
Pudendal nerve
Internal pudendal a, v
Sciatic nerve
Posterior femoral cutaneous nerve
43
Q

What provides innervation to the skin of posterior thigh?

A

Posterior femoral cutaneous nerve

44
Q

The sciatic nerve contains which 2 nerves?

A

Tibial

Fibular

45
Q

What vessel primarily supplies the posterior thigh?

A

Perforating branches of the deep femoral artery

46
Q

Which 3 vessels make up the curciate anastomosis?

A

Perforating branches of deep femoral artery
Medial and lateral femoral circumflex arteries
Inferior gluteal artery

47
Q

The nerves to the gluteal region originate where?

A

S1 and S2

48
Q

What is the major artery of the hip joint?

A

Medial femoral circumflex

49
Q

How is the femur attached at the hip socket?

A

Ligament of the head of the femur attaches to fovea capitis

50
Q

Which nerves run superior and inferior to the piriformis?

A

Superior- superior gluteal nerve

Inferior- sciatic nerve

Winter Anatomy Quiz 1 (4 decks)

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