Anatomy Muscles 1 Flashcards
(218 cards)
1
Q
Bulbospongiosus anterior attachment (male)
A
Contralateral bulbospongiosus muscle at the midline raphe
2
Q
Bulbospongiosus posterior attachment
A
Perineal body
3
Q
Bulbospongiosus action (male)
A
Compress the bulb of the penis to expel urine or semen
4
Q
Bulbospongiosus innervation
A
Deep branch of the perineal n
5
Q
Ischiocavernosus anterior attachment (male)
A
crus of the penis
6
Q
Ischiocavernosus posterior attachment
A
ischial tuberosity and ischiopubic ramus
7
Q
Ischiocavernosus action (male)
A
Forces blood from the crus of the penis into the distal part of the corpus cavernosum penis
8
Q
Ischiocavernosus innervation
A
Deep branch of the perineal n
9
Q
Superficial transverse perineal anterior attachment
A
Perineal body
10
Q
Superficial transverse perineal posterior attachment
A
Ischial tuberosity
11
Q
Superficial transverse perineal action
A
Provides support to the perineal body
12
Q
Superficial transverse perineal innervation
A
Perineal n
13
Q
Deep traverse perineal anterior attachment
A
perineal body
14
Q
Deep transverse perineal posterior attachment
A
ischial tubersotiy
15
Q
Deep transverse perineal action
A
provides support to the perineal body
16
Q
Deep transverse perineal innervation
A
Perineal n
17
Q
External urethral sphincter anterior attachment
A
Attaches to itself around the urethra
18
Q
External urethral sphincter posterior attachment
A
Attaches to itself around the urethra
19
Q
External urethral sphincter action
A
compresses the membranous urethra and stops the flow of urine
20
Q
External urethral sphincter innervation
A
Deep branch of the perineal n.
21
Q
Bulbospongiosus Anterior attachment (female)
A
Corpus cavernosum clitoris
22
Q
Bulbospongiosus action (female)
A
compress the bulb of the clitoris
23
Q
Ischiocavernosus anterior attachment (female)
A
crus of the clitoris
24
Q
Ischiocavernosus action (female)
A
foces blood from the crus of the clitoris into the distal part of the corpus cavernosum
25
Pectineus proximal attachment
Pecten pubis and superior ramus of the pubis
26
Pectineus distal attachment
Pectineal line of the femur
27
Pectineus action
adducts the thigh, hip flexion, assists in medial rotation of hip
28
Pectineus innervation
Femoral n and obturator n
29
Illiopsoas distal attachment
lesser troachanter of the femur
30
Illiopsoas action
flexes the thigh
31
Sartorius proximal attachment
Anterior superior iliac spine
32
Sartorius distal attachment
medial surface of the proximal tibia
33
Sartorius action
flexes and lateral rotates the thigh, flexes and medially rotates the leg
34
Illiopsoas innervation
femoral n
35
Sartorius innervation
femoral n
36
Tensor fasciae lata proximal attachment
anterior superior iliac spine
37
Tensor fasciae lata distal attachment
Iliotibial tract
38
Tensor fasciae lata action
Abducts, medially rotates, and flexes the thigh
39
Tensor fasciae lata innervation
Superior gluteal
40
Rectus femoris proximal attachment
Anterior inferior iliac spine
41
Rectus femoris distal attachment
tibial tuberosity
42
Rectus femoris action
flexes the thigh and extends the leg
43
Rectus femoris innervation
femoral n
44
Vastus medialis proximal attachment
Medial lip of the linea aspera and intertrochanteric line
45
Vastus medialis distal attachment
Tibial tuberosity
46
Vastus medialis action
Extends the leg
47
Vastus medialis innervation
Femoral n
48
Vastus lateralis proximal attachment
Lateral lip of the linea aspera and greater trochanter
49
Vastus lateralis distal attachment
Tibial tuberosity
50
Vastus lateralis action
Extends the leg
51
Vastus lateralis innervation
Femoral n
52
Vastus intermedius proximal attachment
anterior and lateral surfaces of the femur
53
Vastus intermedius distal attachment
tibial tuberosity
54
Vastus intermedius action
Extends the leg
55
Vastus intermedius innervation
Femoral n
56
Gracilis proximal attachment
Body of pubis and inferior pubic ramus
57
Gracilis distal attachment
Superior part of medial surface of tibia
58
Gracilis action
Adducts the thigh; flexes and internally rotates the leg
59
Gracilis innervation
Obturator n
60
Adductor longus proximal attachment
Body of pubis inferior to pubic crest
61
Adductor longus distal attachments
Middle third of linea aspera
62
Adductor longus actions
Adducts the thigh
63
Adductor longus innervation
Obturator n
64
Adductor brevis proximal attachment
body of pubis and inferior pubic ramus
65
Adductor brevis distal attachment
pectineal line and proximal part of linea aspera
66
Adductor brevis action
Adducts the thigh
67
Adductor brevis innervation
Obturator n
68
Adductor magnus proximal attachment
Ischiopubic ramus and ischial tuberostiy
69
Adductor magnus distal action
adducts and extends the thigh
70
Adductor magnus innervation
Obturator n (adductor part), tibial division of the sciatic n (hamstring part)
71
Obturator externus proximal attachment
External margins of obturator foramen and obturator membrane
72
Obturator externus distal attachments
Trochanteric fossa of femur
73
Obturator externus actions
Laterally rotates the thigh
74
Obturator externus innervation
Obturator n.
75
Gluteus maximus distal attachment
Illiotibial tract and gluteal tuberosity
76
Gluteus maximus action
extends and laterally rotates the thigh
77
Gluteus maximus innervation
Inferior gluteal n
78
Gluteus medius proximal attachment
external surface of ilium between anterior and posterior gluteal lines and gluteal fascia
79
Gluteus medius distal attachment
Lateral surface of greater trochanter of the femur
80
Gluteus medius action
Abducts and medially rotates the thigh, keeps contralateral side from sagging
81
Gluteus medius innervation
Superior gluteal n
82
Gluteus minimus proximal attachment
Lateral surface of the ilium between the anterior and inferior gluteal lines
83
Gluteus minimus distal attachment
Anterior surface of greater trochanter of the femur
84
Gluteus minimus action
Abducts and medially rotates thigh, keeps contralateral side from sagging
85
Gluteus minimus innervation
Superior gluteal n
86
Tensor of fasciae lata proximal attachment
Anterior superior iliac spine
87
Tensor of fasciae lata distal attachment
Illiotibial tract
88
Tensor of fasciae lata action
abducts, medially rotates and flexes the thigh
89
Tensor of fasciae lata innervation
Superior gluteal n
90
Piriformis proximal attachment
Anterior surface of the sacrum
91
Piriformis distal attachment
Greater troachanter of the femur
92
Piriformis action
Laterally rotates the extended thigh, abducts the flexed thigh
93
Piriformis innervation
Anterior rami of S1 and S2
94
Obturator internus proximal attachment
internal margin of the obturator foramen and inner surface of the obturator membrane
95
Obturator internus distal attachment
Greater trochanter of the femur
96
Obturator internus actions
Laterally rotates the extended thigh, abducts the flexed thigh
97
Obturator internus innervation
Nerve to obturator internus
98
Superior gemellus proximal attachment
Ischial spine
99
Superior gemellus distal attachment
Greater trochanter of the femur and obturator internus tendon
100
Superior gemellus action
Laterally rotates the extended thigh, abducts the flexed thigh
101
Superior gemellus innervation
Nerve to obturator internus
102
Inferior gemellus proximal attachment
ischial tuberosity
103
Inferior gemellus distal attachment
greater trochanter of the femur and obturator internus tendon
104
Inferior gemellus action
Laterally rotates the extended thigh, abducts the flexed thigh
105
Inferior gemellus innervation
Nerve to quadratus femoris
106
Quadratus femoris proximal attachment
Ischial tuberosity
107
Quadratus femoris distal attachment
Quadrate tubercle
108
Quadratus femoris action
Laterally roates the thigh
109
Quadratus femoris innervation
Nerve to quadratus femoris
110
Biceps femoris proximal attachment
ischial tuberosity (long head), lateral lip of the linea aspera of femur (short head)
111
Biceps femoris action
Extends the thigh (only long head) and flexes the leg
112
Bicep femoris innervation
Tibial division of the sciatic n (long head) and common fibular division of the sciatic n (short head)
113
Semitendinosus proximal attachments
Ischial tuberosity
114
Semitendinosus distal attachments
Medial surface of the superior part of the tibia
115
Semitendinosus action
Extends the thigh and flexes and medially rotates the leg
116
Semitendinosus innervation
Tibial division of the sciatic n
117
Semimembranosus proximal attachment
Ischial tuberosity
118
Semimembanosus distal attachment
Posterior part of the medial condyle of the tibia
119
Semimembranosus action
extends the thigh and flexes and medially rotates the thigh
120
Semimembranosus innervation
tibial division of the sciatic n
121
Popliteus proximal attachment
Lateral surface of lateral condyle of femur and lateral meniscus
122
Popliteus distal attachment
Posterior surface of tibia superior to soleal line
123
Popliteus action
Unlocks fully extended leg, weak flexor of leg
124
Popliteus innervation
tibial n
125
Gastrocnemius proximal attachment
superior to the lateral and medial femoral condyles
126
Gastrocnemius distal attachment
posterior surface of calcaneus via calcaneal tendon
127
Gastrocnemius action
Plantarflexes the foot and flexes the knee
128
Gastrocnemius innervation
Tibial n
129
Plantaris proximal attachment
Lateral supracondylar line of the femur
130
Plantaris distal attachment
posterior surface of calcaneus via calcaneal tendon
131
Plantaris action
Plantarflexes the foot and flexes the knee
132
Plantaris innervation
tibial n
133
Soleus proximal attachment
soleal line of the tibia and head of the fibula
134
Soleus distal attachment
posterior surface of calcaneus via calcaneal tendon
135
Soleus actions
Plantarflexes the foot
136
Soleus innervation
Tibial n
137
Tibialis posterior proximal attachment
Tibia, fibula, and interosseus membrane
138
Tibialis posterior distal action
inverts and plantarflexes the foot
139
Tibialis posterior innervation
tibial n
140
Flexor digitorum longus proximal attachment
Medial part of posterior surface of tibia inferior to the soleal line
141
Flexor digitorum longus distal attachment
bases of the distal phalanges of the lateral four toes
142
Flexor digitorum longus innervation
tibial n
143
Flexor hallucis longus proximal attachment
inferior two thirds of the fibula and interosseous membrane
144
Flexor hallucis longus distal attachment
base of the distal phalanx of the great toe
145
Flexor hallucis longus actions
flexes the great toe and plantarflexes the foot
146
Flexor hallucis longus innervation
tibial n
147
Fibularis longus proximal attachments
head and superior two-thirds of lateral surface of fibula
148
Fibularis longus distal attachments
base of first metatarsal and medial cuneiform
149
Fibularis longus actions
Evert and plantarflex the foot
150
Fibularis longus innervation
Superficial fibular n
151
Fibularis brevis proximal attachment
inferior two thirds of lateral surface of fibula
152
Fibularis brevis distal attachment
Tuberosity of the fifth metatarsal bone
153
Fibularis brevis actions
Everts and plantarflexes the foot
154
Fibularis brevis innervation
Superficial fibular n.
155
Tibialis anterior proximal attachments
Lateral condyle and superior half of lateral surface of tibia
156
Tibialis anterior distal attachments
Base of first metatarsal and medial and inferior surfaces of medial cuneiform
157
Tibialis anterior actions
Dorsiflexes and inverts the foot
158
Tibialis anterior innervation
Deep fibular n
159
Extensor hallucis longus proximal attachment
middle part of anterior surface of fibula and interosseous membrane
160
Extensor hallucis longus distal attachment
dorsal aspect of base of distal phalanx of great toe
161
Extensor hallucis longus actions
extends great toe and dorsiflexes foot
162
Extensor hallucis longus innervation
Deep fibular n
163
Extensor digitorum longus proximal attachments
lateraly condyle of tibia and superior three-fourths of anterior surface of interosseous membrane
164
Extensor digitorum longus distal attachments
extensor expansion to distal phalanges of lateral four digits
165
Extensor digitorum longus actions
extends lateral four digits and dorsiflexes foot
166
Extensor digitorum longus innervation
deep fibular n
167
Fibularis tertius proximal attachments
inferior third of anterior surface of fibular and interosseous membrane
168
Fibularis tertius distal attachments
dorsum of base of fifth metatarsal
169
Fibularis tertius actions
dorsiflexes and everts foot
170
Fibularis tertius innervation
Deep fibular n
171
Extensor digitorum brevis proximal attachments
calcaneus, floor of tarsal sinus
172
Extensor digitorum brevis distal attachments
extensor expansions of digits 2-5
173
Extensor digitorum brevis actions
extends digits
174
Extensor digitorum brevis innervation
deep fibular n
175
Extensor hallucis brevis proximal attachments
calcaneus, floor of the tarsal sinus
176
Extensor hallucis brevis distal attachments
extensor expansion of digit 1
177
Extensor hallucis brevis action
extends great toe
178
Extensor hallucis brevis innervation
deep fibular n
179
Flexor digitorum brevis proximal attachments
calcaneal tuberosity and plantar aponeurosis
180
Flexor digitorum brevis distal attachments
middle phalanges of the lateral four toes
181
Flexor digitorum brevis action
Flexes toes 2-5
182
Flexor digitorum brevis innervation
medial plantar n
183
Abductor hallucis proximal attachments
medial process of tuberosity of calcaneus, flexor retinaculum, and plantar aponeurosis
184
Abductor hallucis distal attachments
medial side of base of proximal phalanx of first digit
185
Abductor hallucis action
Abducts and flexes first digit
186
Abductor hallucis innervation
medial plantar n
187
Abductor digiti minimi proximal attachments
medial and lateral processes of tuberosity of calcaneous, plantar aponeurosis, and intermuscular septa
188
Abductor digiti minimi distal attachments
lateral side of base of proximal phalanx of fifth digit
189
Abductor digiti minimi actions
abducts and flexes fifth digit
190
Abductor digiti minimi innervation
lateral plantar n
191
Quadratus plantae proximal attachments
medial surface and lateral margin of plantar surface of calcaneus
192
Quadratus plantae distal attachments
Posterolateral margin of tendon of flexor digitorum longus
193
Quadratus plantae action
flexes lateral four digits
194
Quadratus plantae innervation
lateral plantar n
195
Lumbricals proximal attachments
tendons of flexor digitorum longus
196
Lumbricals distal attachments
medial aspect of extensor expansion of lateral four digits
197
Lumbricals actions
Flexes proximal phalanges and extends middle and distal phalanges of digits 2-4
198
Lumbricals innervation
Medial plantar n (first), lateral plantar n (2-4)
199
Flexor hallucis brevis proximal attachment
plantar surfaces of cuboid and lateral cuneiforms
200
Flexor hallucis brevis distal attachment
both sides of base of proximal phalanx of first digit
201
Flexor hallucis brevis action
Flexes proximal phalanx of first digit
202
Flexor hallucis brevis innervation
medial plantar n
203
Adductor hallucis proximal attachments
bases of metatarsals 2-4 (oblique head), plantar ligaments of MTP (transverse head)
204
Adductor hallucis distal attachments
lateral side of base of proximal phalanx of first digit
205
Adductor hallucis actions
adducts first digit
206
Adductor hallucis innervation
deep branch of lateral plantar n
207
Flexor digit minimi proximal attachments
base of fifth metatarsal
208
Flexor digiti minimi distal attachments
base of proximal phalanx of fifth digit
209
Flexor digiti minimi actions
flexes proximal phalanx of fifth digit
210
Flexor digiti minimi innervation
superficial branch of lateral plantar n
211
Plantar interossei proximal attachments
plantar surface of metatarsals 3-5
212
Plantar interossei distal attachments
medial sides of bases of phalanges of digits 3-5
213
Plantar interossei actions
adducts digits 3-5 and flexes metatarsophalangeal joint
214
Plantar interossei innervation
lateral plantar n
215
Dorsal interossei proximal attachment
Adjacent sides of metatarsals 1-5
216
Dorsal interossei distal attachment
Medial side of proximal phalanx of second digit (first), lateral sides of proximal phalanx of digits 2-4 (second to forth)
217
Dorsal interossei actions
abducts digits 2-4 and flexes metatarsophalangeal joints
218
Dorsal interossei innervation
lateral plantar n
