Lower Limb Muscles Flashcards
(112 cards)
1
Q
A
Pectineus
2
Q
Attachments of pectineus
A
Prox: Pecten pubis and superior ramus of pubis
Dist: Pectineal line of the femus
3
Q
Action, supply, innervation of pectineus
A
Action: Adducts and flexes thigh
Innervation: Femoral nerve and obturator nerve
Supply: Medial circumflex femoral artery
4
Q
A
Iliopsoas
5
Q
Iliopsoas attachments
A
Prox: Iliac fossa (iliacus) and vertevrae T12-L5 (psoas major)
Dist: Lesser trochanter of femur
6
Q
Action, innervation, supply of iliopsoas
A
Action: Flexes thigh
Innervation: Femoral Nerve
Supply: Lumbar arteries (psoas) and ,edial coircumflex femoral artery (iliacus)
7
Q
A
Sartorius
8
Q
Sartorius Attachments
A
Prox: Anterior superior iliac spine
Dist: Medial surface of proximal tibia
9
Q
Action, innervation, and supply of sartorius
A
Action: Flexes and laterally rotates thigh, flexes and medially rotates leg
Innervation: Femoral nerve
Supply: Lateral circumflex femoral artery
10
Q
A
Tensor Fascia Lata
11
Q
TFL Attachments
A
Prox: Anterior superior iliac spine
Dist: Iliotibial tract
12
Q
Action, innervation, supply of TFL
A
Action: Abducts, medially rotates, and flexes thigh
Innervation: Superior gluteal nerve
Supply: Superior and inferior gluteal artery
13
Q
A
Rectus femoris
14
Q
Rectus femoris attachments
A
Prox: Anterior inferior iliac spine
Dist: Tibial tuberosity
15
Q
Action, innervation, supply of rectus femoris
A
Action: Flexes thigh and extends leg
Innervation: Femoral nerve
Supply: Lateral circumflex femoral artery
16
Q
A
Vastus medialis
17
Q
Vastus medialis attachments
A
Prox: lateral linea aspera and greater trochanter
Dist: Tibial tuberosity
18
Q
Action, innervation, and supply for Vastus medialis, vastus lateralis, and vastus intermedius
A
Action: Extends leg
Innervation: femoral nerve
Supply: Lateral circumflex femoral artery
19
Q
A
Vastus lateralis
20
Q
Vastus lateralis attachments
A
Prox: Medial linea aspera and intertochanteric line
Dist: Tibial tuberosity
21
Q
A
Vastus intermedius
22
Q
Vastus intermedius attachments
A
prox: Anterior and lateral surfaces of femur
dist: Tibial tuberosity
23
Q
A
Gracilis
24
Q
Gracilis attachments
A
Prox: Body of pubis and inferior pubic ramus
Dist: Superior medial surface of tibia
25
Action, innervation, and supply for Gracilis
Action: Adducts thigh, flexes and internally rotates leg
Innervation: Obturator n.
Supply: Obturator artery
26
Pectineus
27
Pectineus attachments
prox: superior pubic ramus
dist: pectineal line
28
action, innervation, supply Pectineus
action: adducts thigh
innervation: obturartor amnd femoral n
supply: medial circumflex femoral artery
29
Adductor longus
30
Adductor longus attachments
prox: Body of pubis inferior to pubic crest
dist: middle third of linea aspera
31
Action, innervation, supply Adductor longus
action: adducts thigh
innervation: obturator n
supply: obturatory and deep femoral a
32
Adductor brevis
33
Adductor brevis attachments
prox: body of pubis and inferior pubic ramus
dist: pectineal line and proximal part of linea aspera
34
action, innervation, supply Adductor brevis
a: Adducts thigh
I:Obturator n
S: Obturator and deeo femoral a
35
Adductor Magnus
36
Adductor Magnus attachments
prox: ischiopubic ramus and ischial tuberosity
Dist: Linea aspera and adductor tubercle of femur
37
Adductor Magnus action, innervation, supply
action: adducts and extends thigh
innervation: obturator and tibial division of sciatic n
supply: obturator and deep femoral artery
38
Obturator externus
39
Obturator externus attachments
prox: obturator foramen and obturator membrane
dist: trochanteric fossa of femur
40
action, innervation, supply of Obturator externus
action: laterally rotates thigh
innervation: obturator n
supply: obturator a
41
Gluteus maximus
42
Gluteus maximus attachments
prox: illium, sacrum and coccyx, sacrotuberous ligament
dist: iliotibial tract and gluteal tuberosity
43
Gluteus maximus action, innervation, supply
action: extends and laterally rotates thigh
innervation: inferior gluteal n
supply: superior and inferior gluteal a
44
Gluteus medius
45
Gluteus medius attachments
prox: ilium bw anterior and posterior gluteal lines
dist: lateral surface of greater trochanter
46
Gluteus medius action, innervation, supply
action: Abducts and medially rotates thigh
innervation: superior gluteal nerve
Supply: superior gluteal a
47
Gluteus minimus
48
Gluteus minimus attachments
prox: lateral surface of ilium
dist: lateral surface of greater trochanter
49
Gluteus minimus actions, innervation, supply
action: Abducts and medially rotates thigh
innervation: superior gluteal nerve
supply: superior gluteal artery
50
Piriformis
51
Piriformis attachments
prox: anterior surface of sacrum
dist: greater trochanter
52
Piriformis action, innervation, supply
action: laterally rotates thigh
innervation: anterior rami of S1 and S2
supply: Superior and inferior gluteal a, internal pudendal a
53
Obturator internus
54
Obturator internus attachments
prox: obturator foramen
dist: greater trochanter
55
Obturator internus action, innervation, supply
action: laterally rotates thigh
innervation: nerve to obturator internus
supply: obturator a
56
superior gemellus
57
superior gemellus attachments
prox: ischial spine
dist: greater trochanter and obturator internus tendon
58
superior gemellus action, innervation, supply
action: laterally rotates this
innervation: nerve to obturator internus
supply: inferior gluteal a
59
inferior gemellus
60
inferior gemellus attachments
prox: ischial tuberosity
dist: greater trochanter and obturator internus tendon
61
inferior gemellus action, innervation, supply
action: laterally rotates thigh
innervation: nerve to quadratus femoris
supply: inferior gluteal artery
62
Quadratus femoris
63
Quadratus femoris attachment
prox: ischial tuberosity
dist: quadrate tubercle
64
Quadratus femoris action, innervation, supply
action: laterally rotates thigh
innervation: nerve to quadratus femoris
supply: inferior gluteal a
65
Biceps femoris
66
Biceps femoris attachments
prox: ischial tuberosity (long) and linea aspera (short)
dist: head of fibula
67
Biceps femoris actions, innervation, supply
action: long head extends thigh, both flex leg
innervation: Long- tibial division of sciatic, short- fibula division of sciatic
supply: deep femoral a
68
semitendinosus
69
semitendinosus attachments
prox: ischial tuberosity
dist: medial superior tibia
70
semitendinosus actions, inn, supply
action: extends thigh, flexes and medially rotates leg
innervtaion: tibial division of sciatic nerve
supply: deep femoral a
71
semimembranosus
72
semimembranosus attachments
prox: ischial tuberosity
dist: posterior medial epicondyle of tibia
73
semimembranosus, a i s
action: extends thigh, medially rotates and flexes leg
innervation: tibial division of sciatic nerve
supply: deep femoral a
74
popliteus
75
popliteus attachments
prox: lateral condyle of femur
dist: posterior surface of tibia
76
popliteus, a i s
action: unlocks extended knee, weak leg flexor
innervation: tibial n
supply: popliteal a
77
Gastrocnemius
78
Gastrocnemius attachments
prox: superior to lateral and medial femoral condyles
distal: Posterior surface of calcaneus
79
Gastrocnemius action, innervation, supply
action: plantarflex foot and flex knee
innervation: Tibial nerve
supply: sural and posterior tibial arteries
80
Plantaris
81
Plantaris attachments
prox: lateral supracondylar line of femur
dist: Posterior surface of calcaneus
82
Plantaris a, i , s
action: plantarflex foot and flex knee
innervation: tibial nerve
supply: Popliteal artery
83
Soleus
84
Soleus attachments
prox: soleal line of tibia and head of fibula
dist: posterior calcaneus
85
Soleus a, i, s
action: plantarflex foot
innervation: Tibial nerve
supply: Posterior tibial a
86
tibialis posterior
87
tibialis posterior attachments
prox: tibia, fibula, introsseous membrane
dist: Navicular, cuneiform, cuboid, and bases of metatarsals 2–4
88
tibialis posterior a, i, s
action: inverts and plantarflexes foot
innervation: tibial n
supply: fibular and posterior tibial a
89
flexor digitorum longus
90
flexor digitorum longus attachments
prox: posterior surface of tibia, below soleal line
dist: base of distal phalanges of lateral 4 toes
91
flexor digitorum longus a, i, s
action: flexes toes 2-5, plantarflexes foot
innervation: tibial nerve
supply: posterior tibial artery
92
flexor hallucis longus
93
flexor hallucis longus attachments
prox: fibula and interosseous membrane
dist: base of distal phalanx of big toe
94
flexor hallucis longus a, i,s
action: flexes big toes and plantarflexes foot
innervation: tibial nerve
supply: fibular and posterior tibial a
95
fibularis longus
96
fibularis longus attachments
prox: head and lateral surface of fibula
dist: base of first metatarsal and medial cuneiform
97
fibularis longus a, i, s
action: evert and pklantarflex foot
innervation: superficial fibular n
supply: fibular a
98
fibularis brevis
99
fibularis brevis attachment
prox: lateral surface of fibula
dist: tuberosity of fifth metatarsal
100
fibularis brevis a,i ,s
action: evert and plantarflex foot
innervation: superficial fibular n
supply: fibular a
101
tibialis anterior
102
tibialis anterior attachments
prox: lateral condyle and lateral surface of tibia
dist: first metatarsal and medial cuneiform
103
tibialis anterior a, i, s
action: dorsiflex and invert foot
innervation: deep fibular n
supply: anterior tibial a
104
extensor hallucis longus
105
extensor hallucis longus attachments
prox: anterior surface of fibula and interosseous membrane
dist: distal phalanx of big toe
106
extensor hallucis longus a, i, s
action: extend big toe amnd dorsiflex foot
innervation: deep fibular n
supply: anterior tibial a
107
extensor digitorum longus
108
extensor digitorum longus attachments
prox: lateral condyle of tibia and interrosseous membrane
dist: extensor expansion of lateral four toes
109
extensor digitorum longus a, i, s
action: extends lateral four digits and dorsiflex foot
innervation: deep fibular n
supply: anterior tibial a
110
fibularis tertius
111
fibularis tertius attachments
prox: anterior surface of fibula and interroseous membrane
dist: base of fifth metatarsal
112
fibularis tertius a, i, s
action: dorsiflex and evert foot
innervation: deep fibular n
supply: anterior tibial a
