Muscles of the Lower Extremity Flashcards
(150 cards)
1
Q
adductor brevis origin
A
anterior surface of the inferior pubic ramus
2
Q
adductor brevis insertion
A
proximal 1/3 of the linea aspera of the femur
3
Q
adductor brevis innervation
A
obturator nerve
4
Q
adductor longus origin
A
anterior surface of the body of the pubis
5
Q
adductor longus insertion
A
middle 1/3 of the linea aspera of the femur
6
Q
adductor longus innervation
A
obturator nerve
7
Q
adductor magnus, anterior (adductor head) origin
A
ischial ramus
8
Q
adductor magnus anterior (adductor head) insertion
A
entire linea aspera of the femur
9
Q
adductor magnus, anterior (adductor head) innervation
A
obturator nerve
10
Q
adductor magnus posterior (extensor head) origin
A
ischial tuberosity
11
Q
adductor magnus posterior (extensor head) insertion
A
adductor tubercle on femur
12
Q
adductor magnus posterior (extensor head) innervation
A
tibial protion of sciatic nerve
13
Q
articularis genu origin
A
anterior surface of the distal femoral shaft
14
Q
articularis genu insertion
A
proximal capsule of the knee
15
Q
articularis genu innervation
A
femoral nerve
16
Q
biceps femoris long head origin
A
from a common tendon with the semitendinosus; originiating from the medial impression on the posterior surface of the ischial tuberosity and part of the sacrotuberous ligament
17
Q
biceps femoris long head insertion
A
head of the fibula
18
Q
biceps femoris long head innervation
A
tibial portion of the sciatic nerve
19
Q
biceps femoris short head origin
A
lateral lip of the linea aspera below the gluteal tuberosity
20
Q
biceps femoris short head insertion
A
head of the fibula
21
Q
biceps femoris short head innervation
A
common peroneal portion of the sciatic nerve
22
Q
gemellus inferior origin
A
tuberosity of the ischium
23
Q
gemellus inferior insertion
A
blends with the tendon of the obturator internus
24
Q
gemellus inferior innervation
A
nerve to the quadratus femoris
25
gemellus superior origin
dorsal surface of the ischial spine
26
gemellus superior insertion
blends with the tendon of the obturator internus
27
gemellus superior innervation
nerve to the obturator internus
28
gluteus maximus origin
outer ilium, posterior gluteal line, aponeurosis of the erector spinae & gluteus medius muscles, posterior side of sacrum & coccyx & part of sacrotuberous & posterior sacro-iliac ligaments
29
gluteus maximum insertion
gluteal tuberosity & iliotibial band
30
gluteus maximum innervation
superior gluteal nerve
31
gluteus minimus origin
outer surface of the ilium between the anterior & inferior gluteal lines, as far posterior as the greater sciatic notch
32
gluteus minimus insertion
anterior aspecto of the greater trochanter
33
gluteus minimus innervation
superior gluteal nerve
34
gracilis origin
anterior aspect of lower body of pubis & inferior ramus of pubis
35
gracilis insertion
proximal medial surface of the tibia just posteriior to the upper end of the attachment of the sartorius
36
gracilis innervation
obturator nerve
37
iliopsoas (psoas major) origin
transverse processes & lateral bodies of the last thoracic & all lumbar vertebrae including the intervertebral discs
38
iliopsoas (psoas major) insertion
lesser trochanter of the femur
39
iliopsoas (iliacus) origin
superior 2/3 oif the iliac fossa, inner lip of the iliac crest, & small region of the sacrum across the sacroiliac joint
40
iliopsoas (iliacus) insertion
lesser trochanter of the femur vis the lateral side of the psoas major tendon
41
iliopsoas (iliacus) innervation
femoral nerve
42
obturator externus origin
external surface of the obturator membrane & surrounding external surfaces of the inferior pubic ramus & ischial ramus
43
obturator externus insertion
medial surface of the greater trochanter at the trochanteric fossa
44
obturator externus innervation
obturator nerve
45
obturator internus origin
internal side of teh obturator membrane & immediately surrounding surfaces of the inferior pubic ramus & ischial ramus; bony attachments extend superiorly within the pelvis to teh greater sciatic notch
46
obturator internus insertion
medial surface of the greater trochanter just anterior & superior to the trochanteric fossa
47
obturator internus innervation
nerve to the obturator internus
48
pectineus origin
pectineal line on superior pubic ramus
49
pectineus insertion
pectineal (spiral) line on the posterior surface of the femur
50
pectineus innervation
femoral nerve & occasionally a brach from the obturator nerve
51
piriformis origin
anterior side of the sacrum between the sacral formaina; blends partially with the capsule of the sacroliliac joint
52
piriformis insertion
apex of the greater trochanter
53
piriformis innervation
nerve to the piriformis
54
politeus origin
by an intracapsular tendon that attaches to the lateral aspect of the lateral femoral condyle
55
politeus insertion
posterior surface of the proximal tibia, above the soleal line
56
politeus innervation
tibial nerve
57
psoas minor origin
transverse processes & lateral bodies of the last thoracic & the first lumbar vertebrae including the intervertebral disc
58
psoas minor insertion
pubis near the pectineal line
59
psoas minor innervation
femoral nerve
60
quadratus femoris origin
lateral surface of the ischial tuberosity just anterior to the attachments of the semimembranosus
61
quadratus femoris insertion
quadrate tubercle (middle of intertrochanteric crest)
62
quadratus femoris innervation
nerve to the quadratus femoris
63
rectus femoris origin
straight tendon: anterior-inferior iliac spine, and reflected tendon: groove around the superior rim of the acetabulum & into the capsuel of the hip
64
rectus femoris insertion
base of the patella &, via ligamentum patella, to the tibial tuberosity
65
rectus femoris innervation
femoral nerve
66
sartorius origin
anterior-superior iliac spine
67
sartorius insertion
along a line on the proximal medial surface of the tibia
68
sartorius innervation
femoral nerve
69
semimembranosus origin
lateral impression on the posterior surface of the ischial tuberosity
70
semimembranosus insertion
posterior aspect of the medial condyle of the tibia. additional attachments include the medial collateral ligament, oblique popliteal ligament, and popliteus muscle
71
semimembranosus innervation
tibial portion of the sciatic nerve
72
semitendinosus origin
from a common tendon with the long head of the biceps femoris originating from a medial impression on the posterior surface of the ischial tuberosity & part of the sacrotuberous ligament
73
semitendinosus insertion
proximal medial surface of the tibia just posterior to the lower end of the attachment of the sartorius
74
semitendinosus innervation
tibial protion of the sciatic nerve
75
tensor fasciae lata origin
outer surface of the iliac crest just posterior to the anterior-superior iliac spine
76
tensor fasciae lata insertion
proximal 1/3 of the iliotibial band of the fascia lata
77
tensor fasciae lata innervation
superior gluteal nerve
78
vastus intermedius origin
anterior-lateral regions of the upper 2/3 of the femoral shaft
79
vastus intermedius insertion
medial capsule, base of th patella, & via ligamentum patella, to the tibial tuberosity
80
vastus intermedius innervation
femoral nerve
81
vastus lateralis origin
upper region of intertrochanteric line, anterior & inferior border of the greater trochanter, lateral region of the gluteal tuberosity, lateral lip of the linea aspera
82
vastus lateralis insertion
lateral capsule, base of the patella, and via ligamentum patella, to the tibial tuberosity
83
vastus lateralis innervation
femoral nerve
84
vastus medialis origin
lower region of intertrochanteric liine, medial lip of linea aspera, proximal medial supracondylar line, fibers from adductor magnus
85
vastus medialis insertion
medial capsule, base of the patella & via ligamentum patella, to the tibial tuberosity
86
vastus medialis innervation
femoral nerve
87
extensor digitorum longus origin
lateral condyle of tibia, proximal 2/3 of the medial surface of the fibula, & adjacent interosseous membrane
88
extensor digitorum longus insertion
by four tendons that attach to the proximal base of the dorsal surface of the middle & distal phalanges via the dorsal digital expansion
89
extensor digitorum longus innervation
deep branch of the peroneal nerve
90
extensor hallucis longus origin
middle section of the medial surface of the fibula & adjacent interosseous membrane
91
extensor hallucis longus insertion
dorsal base of the distal phalanx of the great tow
92
extensor hallucis longus innervation
deep branch of the peroneal nerve
93
flexor digitorum longus origin
posterior surface of the middle 1/3 of the tibia just medial to the proximal attachment of the tibialis posterior
94
flexor digitorum longus insertion
plantar surface of the base of the distal phalanx of the great toe
95
flexor digitorum longus innervation
tibial nerve
96
flexor hallucis longus origin
distal 2/3 of most of the posterior surface of the fibula
97
flexor hallucis longus insertion
plantar surface of the base of the distal phalanx of the great toe
98
flexor hallucis longus innervation
tibial nerve
99
gastrocnemius origin
by 2 seperate heads from the posterior aspect of the lateral & medial femoral condyle
100
gastrocnemius insertion
calcaneal tuberosity via the achilles tendon
101
gastrocnemius innervation
tibial nerve
102
peroneus brevis origin
distal 2/3 of the lateral surface of the fibula
103
peroneus brevis insertion
styloid process of the fifth metatarsal
104
peroneus brevis innervation
superficial branch of the peroneal nerve
105
peroneus longus origin
head & proximal 2/3 of the lateral surface of the fibula
106
peroneus longus insertion
lateral surface of the medial cuneiform & lateral side of the base of first metatarsal bone
107
peroneus longus innervation
superficial brnahc of hte peroneal nerve
108
peroneus tertius origin
distal 1/3 of the medial surface of the fibula & adjacent interosseous membrane
109
peroneus tertius insertion
dorsal surface of the base of the fifth metatarsal
110
peroneus tertius innervation
deep branch of the peroneal nerve
111
plantaris origin
most inferior part of lateral supracondylar line of the femur & oblique popliteal ligament of the knee
112
plantaris insertion
joins the medial aspect of achilles tendon to insert on the calcaneal tuberosity
113
plantaris innervation
tibial nerve
114
soleus origin
posterior surface of the fibula head & proximal 1/3 of its shaft & from the posterior side of the tibia near the soleal line
115
soleus insertion
calcaneal tuberosity via the achilles tendon
116
soleus innervation
tibial nerve
117
tibialis anterior origin
lateral condyle & proximal 2/3 of the lateral surface of the tibia & the interosseous membrane
118
tibialis anterior insertion
medial & plantar aspects of the medial cuneiform & the base of the first metatarsal
119
tibialis anterior innervation
deep branch of the peroneal nerve
120
tibialis posterior origin
proximal 2/3 of posterior surface of the tibia & fibula & adjacent interosseous membrane
121
tibialis posterior insertion
tendon attaches to every tarsal bone but the talus plus the bases of the second through the fourth metatarsal bones. the main insertion is on the navicular tuberosity & the medial cuneiform bone
122
tibialis posterior innervation
tibial nerve
123
extensor digitorum brevis origin
lateral-distal aspect of the calcaneus just proximal to the calcaneocuboid joint
124
extensor digitorum brevis insertion
by 3 tendons that blend with the tendons of the extensor digitorum longus of the second through fifth toes. a 4th tendon inserts on the dorsal base of the proximal phalanx of the great toe
125
extensor digitorum brevis innervation
deep branch of the peroneal nerve
126
abductor digiti minimi origin
medial & lateral processes of the calcaneal tuberosity, plantar aponeurosis, & plantar surface of the base of the fifth metatarsal bone with flexor digiti minimi
127
abductor digiti minimi insertion
lateral side of the proximal phalanx of the 5th toe sharing an attachment with the flexor digiti minimi
128
abductor digiti minimi innervation
lateral plantar nerve
129
abductor hallucis origin
flexor retinaculum, medial process of the calcaneus & plantar fascia
130
abductor hallucis insertion
medial side of the base of proximal phalanx of the hallux sharing an attachment with the medial tendon of the flexor hallucis brevis
131
abductor hallucis innervation
medial plantar nerve
132
flexor digitorum brevis origin
medial process of calcaneal tuberosity & central part of the plantar fascia
133
flexor digitorum brevis insertion
each of 4 tendons inserts on the sides of the plantar aspect of the base of the middle phalanx of the lesser toes
134
flexor digitorum brevis innervation
medial plantar nerve
135
lumbricals origin
from the tendons of the flexor digitorum longus muscle
136
lumbricals insertion
each muscle crosses the medial side of each metatarsophalangeal joint to insert into the dorsal digital expansion of the 4 lesser toes
137
lumbricals innervation
to second toe - medical plantar nerve; to 3rd through 5th toes - lateral plantar nerve
138
quadratus plantae origin
by 2 heads from the medial & lateral aspect of the plantar surface of the calcaneus, distal to the calcaneal tuberosity
139
quadratus plantae insertion
lateral border of the flexor digitorum longus common tendon
140
quadraus plantae innervation
lateral plantar nerve
141
adductor hallucis oblique head origin
plantar aspect of the base of the 2nd through 4th metatarsal & the fibrous sheath of the peroneus longus tendon
142
adductor hallucis transverse head origin
plantar aspect of the ligaments that suppor the metatarsophalangeal joints of the 3rd through 5th toes
143
adductor hallucis insertion
both heads converge to insert on the lateral base of the proximal phalanx of the great toe along with the lateral tendon of the flexor hallucis brevix
144
adductor hallucis innervation
lateral plantar nerve
145
flexor digit minimi origin
plantar surface of the base of the 5th metatarsal bone & fibrous sheath covering the tendon of the peroneus longus
146
flexor digit minimi insertion
lateral surface of the base of the proximal phalanx of the 5th toe blending with the tendon of the abductor digiti minimi
147
flexor digiti minimi innervation
lateral plantar nerve
148
flexor hallucis brevis origin
plantar surface of the cuboid & lateral cuneiform bones & from parts of the tendon of the tibialis posterior muscle
149
flexor hallucis brevis insertion
by 2 tendons in which the lateral tendon attaches to the lateral base of the proximal phalanx of the great toe with the adductor hallucis; the medial tendon attaches to the medial base of the proximal phalanx of the great toe with the abductor hallucis. a pair of sesamoid boens is located within the tendons of this muscle
150
flexor hallucis brevis innervation
medial plantar nerve
