Hip, Gluteal Region, and Thigh Flashcards

1
Q

Functions of the lower extremity

A

weight support
locomotion
maintain balance

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2
Q

regions of the lower extremity

A
gluteal
thigh/femoral
knee
leg
ankle 
foot
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3
Q

Movements of the lower extremity

A

flexion and extension
abduction and adduction
internal and external rotation
circumduction

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4
Q

Bones of the hip and thigh

A

ilium
ischium
pubis
acetabulum

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5
Q

Landmarks of the hip and thigh

A
ASIS
AIIS
ischial spine
pubic tubercle
ischial tuberosity
greater sciatic notch
obturator foramen
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6
Q

Femoral landmarks

A
greater trochanter
lesser trochanter
femoral head
gluteal tuberosity
adductor tubercle
femoral condyles
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7
Q

Joints of the hip and thigh

A

sacroiliac

hip (coxal)

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8
Q

What kind of joint is the hip?

A

ball and socket synovial joint

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9
Q

How many degrees of freedom does the hip joint have?

A

six degrees of freedom

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10
Q

How is weight transmitted in the hip joint?

A

through the femoral head and neck

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11
Q

acetabular labrum

A

c-shaped cartilage and transverse acetabular ligament =encloses joint

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12
Q

Round ligament of head of femur

A

carries branch of obturator artery to femoral head

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13
Q

Ligament of the hip joint

A

iliofemoral ligament
Ischiofemoral ligament
Pubofemoral ligament

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14
Q

iliofemoral ligament

A

prevents hyperextension

AIIS to interochanteric line

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15
Q

Ischiofemoral ligament

A

ischial part of the acetabular rim to femoral neck

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16
Q

pubofemoral ligament

A

prevents overabduction

pubic bone to joint capsule and iliofemoral ligament

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17
Q

The three hip joint ligaments spiral to do what?

A

To become taut with hip extension and keep femoral head in the acetabulum

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18
Q

What is superficial fascia?

A

subcutaneous tissue that is deep to skin –> loose connective tissue with cutaneous nerves, veins, and lymphatics

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19
Q

Deep fascia

A

also known as fascia lata

thickens to form iliotibial tract

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20
Q

What separates the compartments of the thigh?

A

inter muscular septa

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21
Q

venous drainage of the lower limb

A

superficial
medial - great saphenous vein

posterior - small saphenous vein

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22
Q

Where do the veins of the lower limb drain?

A

femoral vein

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23
Q

Anterior and medial limb dermatomes

A

L1-L5

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24
Q

Posterior limb dermatomes

A

S1 and S2

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25
What is the exception for dermatome overlap?
Except at the axial line where adjacent dermatomes are discontinuous spinal levels
26
What are the anterior thigh muscles?
hip flexors and knee extensors
27
Hip flexors
pectineus sartorius iliopsoas
28
Knee extensions
Quadriceps femoris
29
iliopsoas
iliac fossa/lumbar verts --> lesser trochanter combo of the iliacus and psoas major
30
Sartorius
Flexes, abducts, laterally rotates hip, flex knee (cross legged position) ASIS --> medial tibia
31
Pectineus
hip abduction. flexion, medial rotation
32
quadriceps femoris muscles (4)
rectus femoris vastus intermedius vastus lateralis vastus medialis
33
Innervation of the quadriceps femoris
femoral nerve (L2-L4)
34
Patellar tendon reflex
tap patellar ligament = deep tendon reflex
35
Medial thigh muscles
``` Adductor longus Adductor brevis Adductor magnus Obturator internus Gracilis ```
36
Innervation of the medial thigh muscles
obturator nerve except for adductor magnus which is also innervated by the sciatic nerve
37
Adductor hiatus
Transmits the femoral artery and vein from the anterior to posterior knee
38
Gracilis transplant
the gracilis is small and thin and can be removed without much notice it is used to replace damaged muscles everywhere
39
What are the boundaries of the femoral triangle?
superior - inguinal ligament lateral - sartorius medial - adductor longus
40
Describe the femoral triangle lateral to medial
NAVL --> nerve, artery, vein, lymphatics Femoral nerve, femoral artery, femoral vein, lymphatics
41
Function of the femoral sheath
encloses artery, vein, and lymph
42
Clinical important of the femoral triangle
femoral hernia and femoral pulse
43
Femoral hernia
femoral ring is weak and susceptible to hernia
44
Femoral pulse
inferior to midpoint of the inguinal ligament
45
Surface anatomy of the gluteal region
buttocks, thigh, and hip
46
Level of iliac crests
L4-L5
47
Pelvic ligaments
Sacrotuberous Sacrospinous conversion of sciatic notches to foramina
48
Gluteus maximus innervation
inferior gluteal nerve
49
Action of gluteus maximus
extension of the thigh
50
tensor fascia lata
flexes thigh | tenses IT band and supports thigh
51
innervation of the tensor fascia lata
superior gluteal nerve
52
gluteus medius and minimus
abduction and adduction
53
innervation of the gluteus medius and minimus
superior gluteal nerve
54
A patient has a right superior gluteal nerve injury. During standing on the right leg?
the pelvis will tilt towards the left; tilt to the opposite side of the weakness
55
Positive Trendenlenburg Sign
superior gluteal nerve lesion
56
Action of the deep gluteal muscle
lateral rotation of thigh | hip joint stabilization
57
Innervation of the deep gluteal muscles
sacral plexus | L5-S2
58
innervation of the piriformis
nerve to the piriformis
59
obturator internus and gemelli
superior gemellus obturator internus inferior gemellus trochanteric fossa
60
What is a bursa?
membranous sac containing the capillary layer of synovial fluid
61
function of bursa
reduces friction and permits free movement
62
gluteal bursa
ischial bursa trochanteric bursa gluteofemoral bursa
63
source of the gluteal arteries
internal iliac artery
64
site of intramuscular injections
upper quadrant
65
Posterior thigh muscles
Semitendinosus Semimembranosus Biceps femoris (long head) Short head of biceps femoris
66
Function of the posterior thigh muscles
extend hip joint and flex knee
67
innervation of the posterior thigh muscles
tibial branch of sciatic n. fibular branch of sciatic n.
68
describe the lumbosacral plexus
Ventral rami of L1-S3 lumbar plexus L1-L4 Sacral L4-S3
69
What are the major branches of the lumbosacral plexus?
Femoral n. (L2-L4) Obturator n. (L2-L4) Gluteal nn. (L4-S2) Sciatic n. (L4-S3)
70
pathway of sciatic n.
greater sciatic foramen inferior to piriformis muscle through posterior compartment of thigh
71
the sciatic n splits into?
tibial and common fibular nerves in posterior thigh
72
Superficial lymph drainage
superficial inguinal nodes! external iliac nodes
73
Deep lymph drainage
deep inguinal lymph nodes ! external iliac
74
gluteal lymph
gluteal nodes ! iliac nodes ! lumbar nodes