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Gross Anatomy 3 > Gluteal Region > Flashcards

Gluteal Region Flashcards

(53 cards)

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1
Q

What is this muscle and its innervation?

A 
Obturator externus
Obturator nerve (L3, L4)
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2
Q

What are the attachments of quadratus femoris?

A

Ischial tuberosity

Inserts into the quadrate tubercle on the inertrochanteric crest of the femur

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3
Q

What are the attachments of obturator internus?

A

Pelvic surface of the obturator membrane and surrounding bones
Inserts into the medial side of the greater trochanter (trochanteric fossa)

Passes through the lesser sciatic foramen

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4
Q

What are the attachments of gluteus medius?

A

Ilium between the posterior and anterior gluteal lines

Inserts into the greater trochanter of the femur on the lateral surface

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5
Q

What is this muscle and its innervation?

A

Obturator internus

Nerve to obturator internus (L5, S1)

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6
Q

Describe the posterior cutaneous nerve of the thigh

A

Lies on the posterior aspect of the sciatic nerve
Roots are S1,2,3
Gives off inferior clunial nerves which supply the skin of the inferior half of the buttock

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7
Q

What are the actions of the Gemelli muscles?

A

Lateral rotation of the hip

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8
Q

What is this muscle and its innervation?

A

Gluteus Maximus

Inferior Gluteal Nerve (L5, S1, S2)

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9
Q

What movements does the ischiofemoral ligament limit?

A

Extension
Medial rotation
Adduction

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10
Q

What are the attachments of the pubofemoral ligament?

A

Iliopubic eminence into the lower part of the intertrochanteric line

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11
Q

What ligament is shown?

A

The iliofemoral lig.

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12
Q

What are the major vessels supplying the hip joint?

A

Medial circumflex
Lateral circumflex
Acetabular branch (artery to head of femur, round ligament artery)

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13
Q

What is the part of the hip that bears the weight of the body when seated?

A

Ischial tuberosity

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14
Q

What are the functions of the gluteus maximus?

A

Extends the hip

Assists in lateral rotation

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15
Q

What supplies the purple aspect of the posterior thigh?

A

Superior clunial nerve

posterior rami L1, L2, L3

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16
Q

What is this muscle and its innervation?

A

Quadratus Femoris

Nerve to quadratus femoris (L5, S1)

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17
Q

What is the function of quadratus femoris?

A

Laterally rotates the hip

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18
Q

What are the main gluteal nerves and vessels to the region?

A

Superior gluteal nerves and vessels (superficial and deep)
Inferior gluteal nerves and vessels

Relative to piriformis

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19
Q

What are the attachments of the tensor fasciae latae?

A

Anterior iliac creast and ASIS

Inserts into the iliotibial tract

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20
Q

What is this muscle and its innervation?

A

Gluteus Minimis

Superior gluteal nerve (L4, L5, S1)

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21
Q

What is this muscle and its innervation?

A

Piriformis

Anterior rami of S1 and S2

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22
Q

What are the attachments of gluteus maximus?

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A

Sacrum, sacrotuberous ligament and the ilium behind the posterior gluteal line

3/4 insert into the iliotibial tract
1/4 inserts into the gluteal tuberosity of the femur

23
Q

What ligament is shown?

Study These Flashcards
A

The sacrospinous ligament

24
Q

What are the lateral rotators of the hip?

Study These Flashcards
A 
Gluteus Maximus (extensor)
Piriformis
Obturator Internus
Gemelli
Quadratus Femoris
25
What are the attachments of the piriformis muscle?
Anterior sacrum and sacrotuberous ligament Inserts into the greater trochanter of the femur on the superior border Passes through the greater sciatic foramen
26
What area of the lower limb does the obturator nerve supply?
Medial compartment of thigh
27
What ligament is shown?
Pubofemoral
28
What ligament is shown?
The sacrotuberous ligament
29
What is this muscle and its innervation?
Inferior gemelli | Nerve to quadratus femoris
30
What are the functions of gluteus medius?
Abducts the hip and medially rotates it
31
What are the actions of gluteus medius?
Abducts and medially rotates the hip
32
What supplies the pink region of the posterior aspect of the thigh?
The posterior clunial nerve of the thigh with the inferior clunial branches (anterior rami S1, 2, 3)
33
What movements does the pubofemoral ligament limit?
Extension Lateral Rotation Abduction
34
What supplies the brown region of the posterior region of the thigh?
Middle clunial nerve | posterior rami S1,2,3
35
What ligament is shown?
The ischiofemoral ligament
36
What are the attachments of the iliofemoral ligament?
AIIS into the intertrochanteric line | Split into upper and lower bands
37
What are the attachments of the ischiofemoral ligament?
Posterior aspect of acetabulum | Inserts into the greater trochanter
38
What are the attachments of obturator externus?
Outer surface of the obturator membrane | Inserts into the trochanteric fossa
39
What is this muscle and its innervation?
Gluteus Medius | Superior gluteal nerve (L4, L5, S1)
40
What is this muscle and its innervatiton?
Superior gemelli | Nerve to obturator internus
41
What are the actions of the tensor fasciae latae muscle?
Tenses the fasciae latae and IT tract | Supports the femur on the tibia during standing
42
What are the attachments of the Gemelli muscles?
Superior - origin is ischial spine Inferior - origin is ischial tuberosity Blends with the tendon of obturator internus
43
What muscle is highlighted and what is its innervation?
Tensor Fasciae Latae | Superior Gluteal Nerve (L4, L5, S1)
44
What are the roots of the sciatic nerve?
L4, 5, S1, 2, 3
45
What movements does the iliofemoral ligament limit?
Extension Lateral rotation Adduction (upper band) Abduction (lower band)
46
What are the functions of obturator internus?
Laterally rotates the hip
47
What 3 bones fuse to make up the innominate (hip) bone?
Ilium Pubic Ischium
48
What are the attachments of gluteus medius?
Ilium between the anterior and inferior gluteal lines | Inserts into the greater trochanter of the femur
49
What are the medial rotators and abductors of the hip?
Gluteus Medius | Gluteus Minimus
50
What are the 2 branches that the sciatic nerve divides into and where do they enter into the gluteal region?
Tibial - Leaves below piriformis | Common peroneal - can leave below with tibial or above or through the piriformis
51
What is highlighted?
The Greater Sciatic Foramen
52
What is the function of the piriformis?
Laterally rotates the hip
53
What is the arrow pointing to?
Arcuate line

Gross Anatomy 3 (14 decks)

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