LE Muscles Flashcards
(148 cards)
1
Q
Gluteus Maximus prox attach
A
posterior ilium to posterior gluteal line, dorsal surface of sacrum and coccyx, sacrotuberous ligament
2
Q
Gluteus Maximus distal attach
A
gluteal tuberosity of the femur and iliotibial tract that insert on lateral tibial condyle
3
Q
Gluteus Maximus innervation
A
inferior gluteal n. L5, S1, S2
4
Q
Gluteus Maximus axn
A
thigh extension, extension of trunk when LE is fixed, assists in ER of hip
5
Q
Gluteus Medius prox attach
A
external surface of ilium between anterior and posterior gluteal line
6
Q
Gluteus Medius distal attach
A
lateral surface of greater trochanter
7
Q
Gluteus Medius innervation
A
superior gluteal n. L4, L5, S1
8
Q
Gluteus Medius axn
A
abduction and internal rotation of thigh, abducts pelvis
9
Q
Gluteus minimus prox attach
A
external surface of ilim between anterior and inferior gluteal lines
10
Q
Gluteus minimus distal attach
A
anterior surface of greater trochanter
11
Q
Gluteus minimus innervation
A
superior gluteal n. L4, L5, S1
12
Q
Gluteus minimus axn
A
abduction and internal rotation of thigh, abduction of pelvis
13
Q
Obturator Externus prox attach
A
margins of obturator foramen and membrane
14
Q
Obturator Externus distal attach
A
trochanteric fossa of femur
15
Q
Obturator Externus innervation
A
obturator n. L3-L4
16
Q
Obturator Externus axn
A
external rotation of thigh; steadies head of femur
17
Q
Obturator Internus prox attach
A
pelvic surface of obturator foramen and surrounding bones
18
Q
Obturator Internus distal attach
A
medial surface of greater trochanter; blending with gemelli insertion
19
Q
Obturator Internus innervation
A
n to obturator internus and superior gemelli L5-S1
20
Q
Obturator Internus axn
A
external rotation of the extended thigh; abduction of flexed thigh; steadies femoral head
21
Q
Piriformis prox attach
A
anterior surface of sacrum and sacrotuberous ligament
22
Q
Piriformis distal attach
A
superior border of greater trochanter
23
Q
Piriformis innervation
A
n to piriformis, S1-S2
24
Q
Piriformis axn
A
external rotation of the extended thigh; abduction of flexed thigh, steadies femoral head
25
Gemellus superior prox attach
ischial spine
26
Gemellus superior distal attach
medial surface of greater trochanter
27
Gemellus superior innervation
n. to obturator internus, superior gemelli
L5-S1
28
Gemellus superior axn
ER of extended though, abd of flexed thigh; steadies femur
29
Gemellus inferior prox attach
ischial tuberosity
30
Gemellus inferior distal attach
medial surface greater trochanter
31
Gemellus inferior innervation
n. to quadratus femoris inferior gemellus, L5 S1
32
Gemellus inferior axn
ER of extended thigh, abd of flexed thigh, steadies the femur
33
Quadratus femoris prox attach
lateral border of ischial tuberosity
34
Quadratus femoris distal attach
quadrate tubercle on interotrochanteric crest of femur
35
Quadratus femoris innervation
n. to quadratus femoris inferior gemellus L5-S1
36
Quadratus femoris axn
ER of thigh; steadies femoral head
37
Rectus femoris prox attach
AIIS and ilium superior to acetabulum
38
Rectus femoris distal attach
base of patella via quad tendon and by the patellar ligament to tibial tuberosity
39
Rectus femoris innervation
femoral n. L2,3,4
40
Rectus femoris axn
flexes thigh, extends leg
41
Vastus lateralis prox attach
greater trochanter, lateral lip of linea aspera, lateral intermuscular septum
42
Vastus lateralis distal attach
base of patella via quad tendon and by the patellar ligament to tibial tuberosity
43
Vastus lateralis innervation
femoral n. L2,3,4
44
Vastus lateralis axn
extends leg at knee joint
45
Vastus medialis prox attach
intertrochanteric line, and medial lip of linea aspera
46
Vastus medialis distal attach
base of patella via quad tendon and by the patellar ligament to tibial tuberosity
47
Vastus medialis innervation
femoral n. L2,3,4
48
Vastus medialis axn
extend leg at knee joint
49
Vastus intermedius distal attach
base of patella via quad tendon and by the patellar ligament to tibial tuberosity
50
Vastus intermedius prox attach
anterior and lateral surfaces of body and femur
51
Vastus intermedius innervation
femoral n. L2,3,4
52
Vastus intermedius axn
extend leg at knee joint
53
Tensor fascia lata prox attach
ASIS and anterior part of iliac crest
54
Tensor fascia lata distal attach
iliotibial tract (with fibers of glut max) to lateral tibial condyle
55
Tensor fascia lata innervation
superior gluteal n. L4,5, S1
56
Tensor fascia lata axn
Abd, IR, flex hip; assist with knee extension
57
Sartorius prox attach
ASIS and superior part of notch inferior to it
58
Sartorius distal attach
superior, medial tibia (covers tendons of gracilis and semitendinosus)
59
Sartorius innervation
femoral n. L2,3
60
Sartorius axn
Flex, abd, ER at hip; flexes leg at knee; IR of tibia at knee
61
Gracilis prox attach
body and inferior ramus of pubis
62
Gracilis distal attach
superior, medial tibia
63
Gracilis innervation
obturator n. L2,3 anterior branch
64
Gracilis axn
add thigh; flexes leg and assists with IR of tibia at knee
65
Pectineus prox attach
superior ramus of pubis
66
Pectineus distal attach
pectineal line of femur, inferior to lesser trochanter
67
Pectineus innervation
femoral n. L2,3; sometimes obturator n
68
Pectineus axn
add and flex thigh, assists with IR of thigh
69
Adductor brevis prox attach
body and inferior ramus of pubis
70
Adductor brevis distal attach
pectineal line and proximal part of linea aspera of femur
71
Adductor brevis innervation
obturator n, anterior branch L2,3,4
72
Adductor brevis axn
add thigh; assists with flexion of thigh
73
Adductor longus prox attach
body of pubis inferior to pubic crest
74
Adductor longus distal attach
middle 1/3 of linea aspera
75
Adductor longus innervation
obturator n anterior branch L2,3,4
76
Adductor longus axn
adducts thigh
77
Adductor magnus (adductor portion) prox attach
inferior ramus of pubis, ramus of ischium
78
Adductor magnus (adductor portion) distal attach
gluteal tuberosity, linea aspera, medial supracondylar line
79
Adductor magnus (adductor portion) innervation
obturator n, posterior branch L2,3,4
80
Adductor magnus (adductor portion) axn
add and flex thigh
81
Adductor magnus (hamstring portion) prox attach
ischial tuberosity
82
Adductor magnus (hamstring portion) distal attach
adductor tubercle of femur
83
Adductor magnus (hamstring portion) innervation
tibial portion sciatic n L4
84
Adductor magnus (hamstring portion) axn
add and ext thigh
85
Biceps femoris long head prox attach
ischial tuberosity
86
Biceps femoris long head distal attach
lateral head of fibula
87
Biceps femoris long head innervation
tibial portion sciatic n. L5,S1,2
88
Biceps femoris long head axn
flex leg, ER of leg at knee, ext thigh
89
Biceps femoris short head prox attach
linea aspera and lateral supracondylar line
90
Biceps femoris short head distal attach
lateral head of fibula
91
Biceps femoris short head innervation
common peroneal n. L5,S1,2
92
Biceps femoris short head axn
flex leg, ER tibia on femur
93
Semitendinosus prox attach
ischial tuberosity
94
Semitendinosus distal attach
medial surface of superior tibia
95
Semitendinosus innervation
tibial portion of sciatic n, L5,S1,2
96
Semitendinosus axn
ext thigh, flex leg and IR tibia on femur; ext trunk
97
Semimembranosus prox attach
ischial tuberosity
98
Semimembranosus distal attach
posterior part of medial tibial condyle and reflected attachment (Oblique popliteal ligament)
99
Semimembranosus innervation
tibial portion of sciatic n, L5,S1,2
100
Semimembranosus axn
ext thigh, flex leg and IR tibia on femur; ext trunk
101
Tibialis anterior prox attach
lateral condyle and superior half of lateral surface of tibia and interosseous membrane
102
Tibialis anterior distal attach
medial and plantar surface of medial cuneiform, base of 1st metatarsal
103
Tibialis anterior innervation
deep peroneal n. L4,5
104
Tibialis anterior axn
strongest DF of ankle, inversion of the foot
105
Extensor hallucis longus prox attach
middle anterior fibula, interosseous membrane
106
Extensor hallucis longus distal attach
dorsal aspect of base of distal phalanx of great toe
107
Extensor hallucis longus innervation
deep peroneal n L4,5,S1
108
Extensor hallucis longus axn
extension of great toe, DF ankle, inverts foot
109
Extensor digitorum longus prox attach
lateral condyle of tibia, proximal 3/4 medial surface of fibula, interosseous membrane
110
Extensor digitorum longus distal attach
base of middle and distal phalanges of lateral 4 toes
111
Extensor digitorum longus innervation
deep peroneal n L4,5,S1
112
Extensor digitorum longus axn
DF ankle, extends lateral 4 digits, weak evertor of foot
113
Fibularis tertius prox attach
inferior 1/3 of anterior surface of fibula and interosseous membrane
114
Fibularis tertius distal attach
dorsum of base of 5th MT
115
Fibularis tertius innervation
deep peroneal n. L4,5,S1
116
Fibularis tertius axn
DF ankle, assists in eversion
117
Fibularis longus prox attach
head and proximal 2/3 of lateral surface of fibula
118
Fibularis longus distal attach
base of 1st metatarsal, medial cuneiform
119
Fibularis longus innervation
superficial peroneal n. L5,S1,2
120
Fibularis longus axn
eversion of foot, PF ankle, depress base of 1st MT
121
Fibularis brevis prox attach
distal 2/3 lateral surface of fibula
122
Fibularis brevis distal attach
dorsal surface of tuberosity on lateral side of 5th MT
123
Fibularis brevis innervation
superficial peroneal n L5,S1,2
124
Fibularis brevis axn
eversion of foot, weak PF of ankle
125
Gastrocnemius prox attach
lateral head: lateral aspect of lateral condyle of femur
medial head: popliteal surface of femur, superior to medial condyle
126
Gastrocnemius distal attach
posterior calcaneus via calcaneal tendon
127
Gastrocnemius innervation
Tibial n S1,2
128
Gastrocnemius axn
PF ankle, flex leg at knee, invert foot
129
Soleus prox attach
posterior aspect of head of fibula, superior 1/4 posterior surface of fibula, soleal line and medial border of tibia
130
Soleus distal attach
posterior surface of calcaneus via calcaneal tendon
131
Soleus innervation
tibial n S1,2
132
Soleus axn
PF ankle regardless of knee position, inversion of the foot
133
Plantaris prox attach
inferior end of lateral supracondylar line of femur and oblique popliteal ligament
134
Plantaris distal attach
posterior surface of calcaneus via calcaneal tendon
135
Plantaris innervation
Tibial n S1,2
136
Plantaris axn
weak assist in PF of ankle and knee flexion
137
Tibialis posterior prox attach
interosseous membrane, posterior surface of tibia inferior to soleal line and posterior surface of fibula
138
Tibialis posterior distal attach
tuberosity of navicular, all cuneiform bones, sustentaculum tali, cuboid, base of 2nd, 3rd, and 4t MT (all tarsal bones except talus)
139
Tibialis posterior innervation
tibial n L4,5
140
Tibialis posterior axn
main invertor of foot, PF ankle, resist collapse of arch
141
Flexor hallucis longus prox attach
inferior 2/3 of posterior surface of fibula and inferior part of interosseous membrane
142
Flexor hallucis longus distal attach
base of distal phalanx of great toe
143
Flexor hallucis longus innervation
Tibial N S2,3
144
Flexor hallucis longus axn
flexes great toe, PF ankle, inversion of foot, supports medial long arch
145
Flexor digitorum longus prox attach
medial part of posterior surface of tibia, inferior to soleal line
146
Flexor digitorum longus distal attach
base of distal phalanges of lateral 4 toes
147
Flexor digitorum longus innervation
Tibial n S2,3
148
Flexor digitorum longus axn
flexes lateral 4 digits, PF ankle inversion foot; supports long arch
