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anatomy > LL1. anterior/medial thigh > Flashcards

LL1. anterior/medial thigh Flashcards

(89 cards)

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1
Q

general action of anterior thigh

A

extension of knee/flex hip

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2
Q

action of rectus femoris

A

flexes hip joint

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3
Q

function of iliopsoas muscle

A

flexion of hip

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4
Q

insertion of iliopsoas

A

lesser trochanter of femur

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5
Q

innervation of anterior thigh

A

femoral nerve
-> originates from lumbar segments of spine
-> emerges from pelvis under inguinal ligament at front of thigh

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6
Q

blood supply to anterior thigh

A

femoral artery (continuation of external ileac artery)

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7
Q

The main movements that occur at the hip (acting on the thigh) and at the knee

A

Flexion, extension abduction and adduction of the thigh
Medial and lateral rotation at the hip
Flexion and extension of the knee

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8
Q

contents of femoral triangle (medial->lateral)

A
  • Femoral vein
  • Femoral artery
  • Femoral nerve
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9
Q

origin and insertion of muscles in medial thigh

A

originate in pelvis and insert in femur

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10
Q

general action of muscles in medial thigh

A

adduction, antagonises buttocks muscles to support hip

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11
Q

inntervation of muscles in medial thigh

A

obturator nerve (from lumbar spinal cord)

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12
Q

blood supply of medial thigh

A

perforating branches of deep branch of femoral artery

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13
Q

major extensor of hip joint

A

gluteus maximus

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14
Q

abductors of hip

A

gluteus medius and minimus

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15
Q

what muscles support the hip when contra-lateral limb is off ground?

A

gluteus medius and minimus

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16
Q

innervation of gluteal region

A

sacral plexus

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17
Q

structures of the anterior femur

A

fovea = head notch
head neck
greater trochanter
intertrochanter line
lesser trochanter
shaft
lateral and medal epicondyle
adductor tubercle
medial and lateral condyle
intercondylar fossa
patellar surface

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18
Q

structures of the posterior femur

A

greater trochanter
intertrochanteric crest
lesser trochanter
pectineal line
gluteal tuberosity
linea aspera
medial supracondylar line
lateral supracondylar line
popliteal surface
intercondular fossa

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19
Q

muscles in anterior thigh

A

vastus lateralis
rectus femoris
vastus medialis
sartorius
vastus intermedius

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20
Q

muscles in medial thigh

A

adductor longus
adductor brevis
gracillis
adductor magnus

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21
Q

muscles in posterior thigh

A

biceps femoris, short head
biceps femoris, long head
semitendinosus
semimembranosus

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22
Q

general action of posterior thigh

A

extension of thigh/flexion of knee

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23
Q

innervation of medial thigh

A

obturator nerve

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24
Q

innervation of anterior thigh

A

femoral nerve

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25
psoas minor origin
ORIGIN: T12 and L1
26
psoas minor insertion
INSERTION: iliopubic eminence, pecten pubis
27
psoas minor innervation
INNERVATION: spinal nerve L1
28
psoas minor blood supply
BLOOD SUPPLY: lumbar arteries
29
psoas minor action
ACTION: trunk flexion
30
Vastus lateralis origin
ORIGIN: greater trochanter/lateral lip
31
Vastus lateralis insertion
patella
32
Vastus lateralis action
ACTION: extension of knee/stabilises patella
33
Vastus lateralis innervation
femoral nerve
34
Vastus intermedius origin
ORIGIN: anterior/lateral femoral shaft
35
Vastus intermedius insertion
patella
36
Vastus intermedius action
ACTION: extension of knee/stabilises patella
37
Vastus intermedius innervation
INNERVATION: femoral nerve
38
Vastus medialis origin
ORIGIN: intertrochanteric line/medial lip
39
Vastus medialis insertion
patella
40
Vastus medialis action
ACTION: extension of knee/stabilises patella
41
Vastus medialis innervation
INNERVATION: femoral nerve
42
Rectus femoris origin
ORIGIN: anterior inferior iliac spine/ilium of pelvis
43
Rectus femoris insertion
patella
44
Rectus femoris action
ACTION: extension of knee/flexion of hip
45
Rectus femoris innervation
INNERVATION: femoral nerve
46
Sartorius origin
ORIGIN: anterior superior iliac spine
47
Sartorius insertion
INSERTION: superior medial surface of tibia
48
Sartorius action
ACTION: flexes, abducts and laterally rotates hip/flexes knee
49
Sartorius innervation
INNERVATION: femoral nerve
50
Pectineus origin
ORIGIN: pectineal line of pubis bone
51
Pectineous insertion
INSERTION: pectineal line of femur
52
Pectineus action
ACTION: adduction and flexion of hip
53
Pectineous innervation
INNERVATION: femoral nerve/branch of obturator
54
Adductor longus origin
pubis bone
55
Adductor longus insertion
linea aspera of femur
56
Adductor longus action
adduction of thigh
57
Adductor longus innervation
obturator nerve
58
Adductor brevis origin
body of pubis and inferior pubic rami
59
Adductor brevis insertion
linea aspera of femur
60
Adductor brevis action
adduction of thigh
61
Adductor brevis innervation
obturatory nerve
62
Adductor magnus origin
inferior rami of pubis/rami of ischium
63
Adductor magnus insertion
linea aspera of femur
64
Adductor magnus action
adductor = adduction and flexion of thigh hamstring = adduction and extension of thigh
65
Adductor magnus innervation
adductor - obturator nerve hamstring - tibial compartment of sciatic nerve
66
Gracilis origin
inferior rami/body of pubis
67
Gracilis insertion
tibial shaft
68
Gracilis action
adduction of thigh at hip and flexion of knee
69
Gracilis innervation
obturator nerve
70
Obturator externus origin
obturator foramen and adjacent bone
71
Obturator externus insertion
posterior greater trochanter
72
Obturator externus action
adduction and lateral rotation of thigh/stabilises
73
Obturator externus innervation
obturator nerve
74
function of fascia lata
prevents outward expansion of muscles in thigh (tights) and push blood up to heart
75
what is fascia lata
deep fascial investment of the musculature of the thigh
76
what is iliotibial tract
- thickening of fascia lata - strengthened by fibres from glute max - located in lateral thigh from iliac tubercle to lateral tibial condyle
77
functions of iliotibial tract
movement = extens, abduct, lat rotates hip knee stabilisation compartmentalisation = forms lateral intermuscular septum of thigh
78
where does the femoral artery originate from
external ileac artery, after inguinal ligament
79
where does the obturator artery originate from
internal ileac artery, after obturator canal
80
where does the gluteal region extend to and from?
iliac crest → gluteal fold
81
where does the head of the femur sit?
inside acetabulum
82
landmarks of femur bone
head, neck greater and lesser trochanter intertrochanter crest linea aspera intercondylar fossa
83
quadrangular muscle, which contributes to the floor of the femoral triangle. It flexes the thigh in addition to adduction.
pectineus
84
fan shaped muscle which contributes to the floor and the medial border of the femoral triangle.
adductor longus
85
long strap like muscle and is the most superficial in the medial compartment of the thigh
gracilis
86
small fan shaped muscle, although considered to be in the medial compartment of the thigh, it laterally rotates the hip.
obturator externus
87
a small triangular shaped muscle lying posterior to adductor longus and pectineus
adductor brevis
88
largest and deepest muscle in the medial compartment of the thigh. In addition to its adductor portion, it has a hamstring portion which can extend the thigh at the hip.
adductor magnus
89
where could you palpate the femoral artery
femoral artery lies superficially in the femoral triangle and thus can be palpated just below the mid-inguinal point (half-way between the anterior superior iliac spine and pubic symphysis)

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