muscles Flashcards
1
Q
gluteus maximus innervation
A
inferior gluteal nerve
L5-S2
2
Q
gluteus maximus action
A
upper - abducts
lower-adducts
both: extends hip, externally rotates hip
3
Q
gluteus maximus origin
A
dorsal lateral sacrum
posterior gluteal surface ilium
thoracolumbar fascia
sacrotuberous lig
4
Q
gluteus medius origin
A
gluteal surface ilium between anterior and posterior gluteal lines
5
Q
gluteus maximus insertion
A
upper- iliotibial tract
lower-gluteal tuberosity
6
Q
gluteus medius insertion
A
lateral greater trochanter
7
Q
gluteus medius innervation
A
superior gluteal nerve
L4-S1
8
Q
gluteus medius action
A
abduct hip
ant- flex, internal rotate
pos- extend, external rotate
9
Q
gluteus minimus origin
A
gluteal surface of ilium between anterior and inferior gluteal line
10
Q
gluteus minimus insertion
A
anterolateral surface greater trochanter
11
Q
gluteus minimus action
A
abducts hip
ant-flex and internal rotate
post- extends and external rotate
12
Q
tensor fascia latae origin
A
anterior superior iliac spine
13
Q
tensor fasciae latae insertion
A
iliotibial tract
14
Q
tensor fascia latae innervation
A
superior gluteal n
L4-S1
15
Q
tensor fascia latae action
A
abduction
flex
internal rotation
tenses fascia lata
16
Q
piriformis origin
A
pelvic surface sacrum
17
Q
piriformis insertion
A
apex greater trochanter femur
18
Q
piriformis innervation
A
S1-S2 direct branches
19
Q
piriformis action
A
external rotation
extends
abduction
20
Q
obturator internus origin
A
inner surface obturator membrane and bony surroundings
21
Q
obturator internus insertion
A
medial surface greater trochanter femur
22
Q
obturator internus innervation
A
nerve to obturator internus
L5-S1
23
Q
obturator internus action
A
external rotation
adduct
extend
24
Q
gemelli superior
A
ischial spine –medial surface greater trochanter
nerve to obturator internus L5-S1
externally rotate, adduct, extend hip
25
gemelli inferior
ischial tuberosity--medial surface greater trochanter
nerve to quadratus femoris L5-S1
external rotate , adduction, extend hip
26
quadratus femoris origin
lateral border of ischial tuberosity
27
quadratus femoris insertion
intertrochanteric crest of femur
28
quadratis femoris innervation
nerve to quadratus femoris
| L5-S1
29
quadratus femoris action
externally rotate
| adduct
30
anterior thigh muscles
```
sartorius
quadriceps femoris -(rectus femoris
vastus lateralis
vastus medialis
vastus internus )
```
31
iliopsoas origin
Psoas- T12- L4 and IV disks, transverse processes L1-L5
| Iliacus - iliac fossa
32
iliopsoas insertion
lesser trochanter of femur
33
iliopsoas innervaton
L2-L4 direct lumbar plexus
| femoral n. L2-L4
34
iliopsoas action
hip-external rotate, flex
| trunk- ipsilateral lateral flexion
35
sartorius O/I
ASIS--- medial to tibial tuberosity
| pes anserinus
36
sartorius innervation/action
femoral n. L2-L3
- hip=external rotation, flex, abduction
- knee=flexion, internal rotation
37
rectus femoris O:I
AIIS
| acetabular roof --tibial tuberosity via patellar ligament
38
rectus femoris innervation/action
femoral n. L2-L4
- flex hip
- extend knee
39
vastus medialis O:I
medial lip linea aspera, distal intertrochanteric line ---
--tibial tuberosity via patellar lig
40
vastus medialis innervation: action
femoral n. L2-L4
- extend knee
41
Vastus lateralis O:I
lateral lip of linea aspera, lateral greater trochanter --
-- tibial tuberosity via patellar lig
42
vastus lateralis innervation:action
femoral n. L2-L4
-extends knee
43
vastus intermedius O:I
anterior femoral shaft --- tibial tuberosity via patellar lig
44
vastus intermedius innervation/action
femoral nerve L2-L4
-extend knee
45
medial thigh compartment
pectineus
adductor longus
adductor brevis
gracilis
46
medial thigh compartment rules
obturator n ( some femoral)
adduct and flex hip
insert on parts of linea aspera
47
pectineus O:I
pectin pubis --- pectineal line of femur, prox linea aspera
48
pectineus innervation/action
Femoral n.,
obturator nerve L2,L3
--hip=external rotation, adduction
49
adductor longus O:I
superior pubic ramus, anterior pubic symphysis ---
| -- middle 1/3 medial lip linea aspera
50
adductor longus innervation/action
obturator n (L2,L4)
- adduct hip
- flexion-70 degrees, then extension
51
adductor brevis O:I
inferior pubic ramus --- prox 1/3 medial lip linea aspera, pectineal line
52
adductor brevis innervation: action
obturator n L2,L3
-hip-adduct, flex -70 degrees, then extension
53
gracilis O:I
inferior pubic ramis, pubic, symphysis---
| --- medial border tibial tuberosity
54
gracilis innervation, action
obturator n L2,L3
- hip-adduct, flex
- knee-flex, internal rotation
55
obturator externus O:I
posterior obturator membrane, bony surroundings--
-- trochanteric fossa of femur
56
obturator externus innervation/action
obturator n L3, L4
-external rotation, adduction
57
adductor magnus O:I
ischiopubic ramus, ischial tuberosity ---
- --deep head (adductor part)=medial lip linea aspera
- --superficial head (hamstrings part)=adductor tubercle of femur
58
adductor magnus innervation:action
deep head- obturator n. L3,L4
superficial head- tibial n. L4
--adducts, extends hip
internal rotation
59
posterior thigh compartment
biceps femoris , short and long head
semitendinosus
semimembranosus
60
posterior thigh compartment rules
tibial nerve
extend hip, flex knee
origin: ischial tuberosity
61
biceps femoris Origin
long head- ischial tuberosity , sacrotuberous lig
short head- lateral lip linea aspera, middle 1/3 femur
62
biceps femoris insertion
head of fibula
63
biceps femoris innervation/action
long head- tibial n L5-S2
short head- common fibular L5- S2
- extend hip
- flex knee, externally rotate
64
semitendinosus O:I
sacrotuberous lig, ischial tuberosity -- medial to tibial tuberosity
(pes anserinus )
65
semitendinosus innervation/action
tibial n. L5-S2
- extend hip
- flex knee, internal rotation
66
semimembranosus O:I
ischial tuberosity -- medial tibial condyle, oblique popliteal ligament, popliteal fascia
67
semimembranosus innervation/action
tibial n L5-S2
- extend hip
- flex knee, internal rotation
68
tibialis anterior O:I
upper 2/3 lateral tibia, interosseous membrane, superficial crural fascia
-- medial cuneiform, 1st metatarsal
69
tibialis anterior innervation/action
- deep fibular nerve- L4,L5
| - dorsiflex foot, inversions
69
extensor hallucis longus O/I
middle 1/3 medial surface fibula, interosseous membrane----
---base of 1st distal phalanx, dorsal aponeurosis
70
extensor hallucis longus innervation/action
deep fibular n L4, L5
dorsiflex, inversion, eversion
extends MTP, IP of big toe
71
extensor digitorum longus O/I
medial surface head of fibular
lateral tibial condyle
interosseous membrane ---- 2nd-5th toe dorsal aponeurosis, base of distal phalanges
72
extensor digitorum longus innervation/action
deep fibular n L4,L5
dorsiflex, inversion
extend MTP, IP 2-5th toes
73
fibularis tertius O/I
distal anterior fibula ---base 5th metatarsal
74
fibularis tertius innervation/action
deep fibular n. L4, L5
dorsiflexion, eversion
75
anterior leg compartment
tibularis anterior
extensor hallucis longus
extensor digitorum longus
fibularis tertius
76
anterior leg comprtment rules
deep fibular n L4,L5
anterior tibial artery
dorisflexion,
77
lateral leg compartment
fibularis longus
| fibularis brevis
78
lateral leg compartment rules
superficial fibular nerve L5, S1
fibular artery
eversion with plantar flexion
79
fibularis longus O/I
proximal 2/3 lateral head of fibula ---
--plantar surface medial cuneiform, base of 1st metatarsal
80
fibularis longus innervation/action
superficial fibular n L5, S1
plantar flexion, eversion
81
fibularis brevis O/I
distal 1/2 lateral fibular, intermuscular surface --- tuberosity 5th metatarsal
82
fibularis brevis innervation and action
superficial fibular n. L5,S1
plantar flexion
eversion
83
extensor digitorum brevis O/I
dorsal surface calcaneus ---- 2nd-4th base of middle phalange, dorsal aponeurosis
84
extensor digitorum brevis innervation/action
deep fibular n L5, S1
extend MTP, PIP 2-4th toes
85
extensor hallucis brevis O/I
dorsal surface calcaneus --- proximal phalanx 1st toe, dorsal aponeurosis
86
extensor hallucis brevis innervation/action
deep fibular n L5,S1
extend MTP 1st toe
87
posterior leg compartment
superficial- gastrocnemius, soleus, plantaris
| deep-tibialis longus, popliteus, flexor hallucis longus, flexor digitorum longus
88
posterior compartment rules
tibial n
posterior tibial artery
plantar flexion
inversion
89
gastrocnemius O/I
medial and lateral femoral epicondyles ---- calcaneous tuberosity via calcaneal tendon
90
gastrocnemius innervation/action
tibial n S1-S2
plantar flexion
flex knee
91
soleus O/I
posterior head and neck of fibula, soleal line on tibia--
--calcaneous tuberosity via calcaneal lig
92
plantaris O/I
lateral epicondyle of femur---- calcaneal tuberosity
93
plantaris innervation
tibial n S1,S2
94
soleus innervation/action
tibial n S1,S2
plantar flexion
95
popliteus O/I
lateral femoral condyle, posterior horn lateral meniscus---
---posterior surface tibia (above soleus origin)
96
popliteus innervation/action
tibial n L4-S1
flex, internal rotation knee
97
tibialis posterior O/I
interosseous membrane, adjacent borders tibia and fibula ---
--navicular tuberosity, cuneiforms, 2-4 base metatarsals
98
tibialis posterior innervation/action
tibial n L4,L5
plantar flex, inversion
supports longitudinal and transverse arches
99
flexor digitorum longus O/I
middle 1/3 posterior tibia --- 2-5th base distal phalanges
| medial
100
flexor digitorum longus innervation/action
tibial n L5,S2
plantar flexion
inversion
flex MTP, IP 2-5 toes
101
flexor hallucis longus O/I
distal 2/3 posterior fibula, interosseous membrane---
--- base 1st distal phalanx
102
flexor hallucis longus action/innervation
tibial n L5, S2
plantar flexion, inversion
flex MTP, IP 1st toe
supports medial arch
103
abductor hallucis O/I
medial calcaneal tuberosity --- base of prox phalanx 1st toe (medial seasmoid)
104
abductor hallucis innervation/action
-medial plantar n (S1, S2)
MTP flex, abduct 1st toe
105
flexor digitoum brevis O/I
medial tubercle calcaneal tuberosity, plantar aponeurosis--- sides of 2-5th middle phalanges
106
flexor digitorum brevis innervation/action
medial plantar n (S1, S2)
flex MTP, PIP 2-5 toes
107
abductor digiti minimi O/I
medial tubercle calcaneal tendon, plantar aponeurosis--- base prox phalanx 5th toe, 5th metatarsal
108
abductor digiti minimi inn/action
lateral plantar n (S1-S3)
flex, abduct MTP 5th toe
109
quadratus plantae
medial plantar surface calcaneal tuberosity--- flexor digitorum longus tendon
lateral plantar n (S1-S3)
110
lumbricals
flexor digitorum longus tendon -- dorsal aponeurosis 2-5 toes
- 1st=medial plantar n (S1-S3)
- 2-4=lateral plantar n (S1-S3)
-flex MTP, extend IP, adduct 2-5 toes
111
flexor hallucis brevis
cuboid, lateral cunieform, plantar calcaneocuboid lig---
--base of prox phalanx 1st toe
- medial and lateral plantar n (S1-S2)
- flex MTP
112
adductor hallucis oblique head
bases 2-4 metatarsals--- base 1st prox phalanx
lateral plantar n S2-S3
flex, adduct
113
adductor hallucis transverse head
MTP 3-5 toes --- base 1st prox phalanx via lateral seasmoid
lateral plantar n S2-S3
flex, adduct MTP
