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lower limb muscles Flashcards

(132 cards)

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1
Q

adductor brevis origin

A

inferior pubic ramus

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2
Q

adductor brevis insertion

A

lesser trochanter to proximal linea aspera

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3
Q

adductor brevis action

A

adducts and medially rotates the thigh

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4
Q

adductor brevis innervation

A

obturator nerve

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5
Q

adductor magnus origin

A

inferior pubic ramus and ischial tuberosity

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6
Q

adductor magnus insertion

A

linea aspera
adductor tubercle

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7
Q

adductor magnus actions

A

adduction, extension, flexion, medial rotation, lateral rotation

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8
Q

adductor magnus innervation

A

obturator nerve
sciatic nerve

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9
Q

adductor longus innervation

A

obturator nerve

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10
Q

adductor longus action

A

adducts and medially rotates the thigh

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11
Q

adductor longus insertion

A

middle 2/3 linea aspera

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12
Q

adductor longus origin

A

body of pubis

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13
Q

biceps femoris origin

A

long head = ischial tuberosity
short head = linea aspera and lateral supracondylar ridge

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14
Q

biceps femoris insertion

A

head of fibula
lateral tibial condyle

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15
Q

biceps femoris action

A

flexes and laterally rotates the knee
extends the hip

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16
Q

biceps femoris innervation

A

sciatic nerve

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17
Q

extensor digitorum longus origin

A

upper 2/3 anterior surface of fibula and adjacent interosseous membrane

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18
Q

extensor digitorum longus insertion

A

extensor hood
base of middle and distal phalanges

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19
Q

extensor digitorum longus actions

A

extension of the lateral 4 toes at MTP
extension at the IP
assists dorsiflexion of the ankle

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20
Q

extensor digitorum longus innervation

A

deep peroneal nerve

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21
Q

extensor hallucis longus origin

A

middle 1/2 of the anterior surface of fibula and adjacent interosseous membrane

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22
Q

extensor hallucis longus insertion

A

dorsal surface, base of distal phalanx of great toe
may get slips to base of proximal phalanx of first metatarsal

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23
Q

extensor hallucis longus actions

A

extends all joints of the great toe mainly MTP
powerful dorsiflexor

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24
Q

extensor hallucis longus innervation

A

deep peroneal nerve

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25
flexor digitorum longus origin
medial aspect posterior surface of tibia
26
flexor digitorum longus insertion
four tendons to the plantar aspect of the distal phalanges
27
flexor digitorum longus actions
flexion of toes 2-5 at DIP, PIP, MTP Assists plantarflexion of the foot at the ankle joint
28
Flexor digitorum longus innervation
tibial nerve
29
flexor hallucis longus origin
lower 2/3 of posterior surface of fibula and interosseous membrane
30
flexor hallucis longus insertion
plantar surface of the base of the distal phalanx of the great to
31
flexor hallucis longus actions
flexion of all the joints of the great toe assists plantarflexion
32
flexor hallucis longus innervation
tibial nerve
33
Gastrocnemius origin
femoral condyles
34
Gastrocnemius insertion
posterior surface of calcaneus
35
Gastrocnemius actions
knee flexion and ankle plantarflexion
36
gastrocnemius innervation
tibial nerve
37
Gemellus inferior action
deep external hip rotator
38
Gemellus superior action
deep external hip rotator
39
Gluteus maximus origin
outer surface of posterior ilium, sacrum and coccyx
40
gluteus maximus insertion
ITB and gluteal tuberosity
41
gluteus maximus action
extension and lateral rotation of thigh
42
gluteus maximus innervation
inferior gluteal nerve
43
gluteus medius origin
outer surface of ilium
44
gluteus medius insertion
lateral greater trochanter
45
gluteus medius action
abducts and MR femur
46
gluteus medius innervation
superior gluteal nerve
47
gluteus minimus origin
outer surface of ilium
48
gluteus minimus insertion
anterior surface of greater trochanter
49
gluteus minimus action
abducts and MR femur
50
gluteus minimus innervation
superior gluteal nerve
51
gracilis origin
inferior pubic ramus
52
gracilis insertion
pes anserinus
53
gracilis actions
flexion, MR, adduction of thigh flexion and MR knee
54
gracilis innervation
obturator nerve
55
ilio-psoas origin
transverse processes of T12-L4 illiac fossa
56
ilio-psoas insertion
lesser trochanter
57
ilio-psoas actions
hip flexion
58
ilio-psoas innervation
L1-3
59
obturator internus action
deep external hip rotator
60
obturator externus action
deep external hip rotator
61
pectineus origin
superior pubic ramus
62
pectineus insertion
lesser trochanter to linea aspera
63
pectineus action
flexes and adducts the thigh
64
pectineus innervation
femoral nerve
65
peroneus brevis origin
lower 2/3 of the lateral surface of the fibula
66
peroneus brevis insertion
tubercle on the lateral side of the base of the 5th metatarsal
67
peroneus brevis actions
eversion of foot plantarflexion of ankle
68
peroneus brevis innervation
superficial peroneal nerve
69
peroneus longus origin
upper 2/3 lateral surface of fibula lateral tibial condyle lateral side of fibula head
70
peroneus longus insertion
base of 1st metatarsal medial cuneiform
71
peroneus longus actions
eversion and plantarflexion of the foot supports the arches of the foot
72
peroneus longus innervation
superficial peroneal nerve
73
peroneus tertius origin
lower 1/4 of medial fibula and adjacent interosseous membrane
74
peroneus tertius insertion
base of 5th metatarsal, medial and dorsal aspect
75
peroneus tertius actions
weak evertor weak dorsiflexor
76
peroneus tertius innervation
deep peroneal nerve
77
piriformis origin
internal surfaces sacrum and gluteal surface of ilium
78
piriformis insertion
greater trochanter
79
piriformis action
external rotation and abduction of femur
80
piriformis innervation
1st and 2nd sacral nerves`
81
plantaris origin
lateral supracondylar ridge of femur above lateral head of gastrocnemius
82
plantaris insertion
medial side of tendocalcaneus posterior surface of calcaneus
83
plantaris action
insignificant plantarflexor of foot and weak knee flexor
84
plantaris innervation
tibial nerve
85
popliteus origin
outer surface of lateral femoral condyle
86
popliteus insertion
posterior surface of proximal tibia, above soleal line
87
popliteus action
unlocks the knee by laterally rotating the femur on fixed tibia, rotates knee medially, flexes knee
88
popliteus innervation
tibial nerve
89
quadratus femoris action
deep external hip rotator
90
rectus femoris origin
long head = AIIS short head = ilium above acetabulum
91
rectus femoris insertion
quadriceps tendon of patella
92
rectus femoris action
extends the knee and flexes the hip
93
rectus femoris innervation
femoral nerve
94
sartorius origin
ASIS
95
sartorius insertion
pes anserinus
96
sartorius action
flexes, abducts and laterally rotates thigh medially rotates flexed knee
97
sartorius innervation
femoral nerve
98
semimembranosus origin
ischial tuberosity
99
semimembranosus insertion
posterior aspect of medial tibial condyle
100
semimembranosus action
extends hip flexes and MR knee
101
semimembranosus innervation
sciatic nerve
102
semitendinosus origin
ischial tuberosity
103
semitendinosus insertion
pes anserinus
104
semitendinosus action
extend hip flex and MR knee
105
soleus origin
soleal line, posterior surface of tibia posterior surface of upper 1/3 of fibula including the head
106
soleus insertion
fuses with tendon of gastrocnemius to form the upper part of the tendocalcaneus into posterior surface of calcaneus
107
soleus action
plantarflexion of foot
108
soleus innervation
tibial nerve
109
TFL origin
ASIS lateral iliac crest
110
TFL insertion
ITB
111
TFL actions
flexes and MR thigh abducts the hip
112
TFL innervation
superior gluteal nerve
113
tibialis anterior origin
upper 1/2 to 2/3 lateral surface of tibia and adjacent interosseous membrane
114
tibialis anterior insertion
medial surface of medial cuneiform and base of 1st metatarsal insertion blends with that of peroneus longus
115
tibialis anterior action
dorsiflexion of ankle inversion of foot
116
tibialis anterior innervation
deep peroneal nerve
117
tibialis posterior origin
med= posterior surface of the tibia and interosseous membrane lat = proximal posterior surface of fibula
118
tibialis posterior insertion
Tubercle on medial side of navicular and plantar surface of medial cuneiform Slips to plantar surfaces of all tarsal bones except talus
119
tibialis posterior action
inversion of foot assists plantarflexion supports medial longitudinal arch
120
tibialis posterior innervation
tibial nerve
121
vastus intermedius origin
upper 2/3 anterior and lateral surfaces of the femur
122
vastus intermedius insertion
quadriceps tendon
123
vastus intermedius action
extends the knee
124
vastus intermedius innervation
femoral nerve
125
vastus lateralis origin
lateral femur
126
vastus lateralis insertion
quadriceps tendon
127
vastus lateralis action
extends the knee
128
vastus lateralis innervation
femoral nerve
129
vastus medialis origin
medial femur
130
vastus medialis insertion
quadriceps tendon
131
vastus medialis action
extends the knee
132
vastus medialis innervation
femoral nerve

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