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MUSCLES ETC!!! > lower extremity muscles > Flashcards

lower extremity muscles Flashcards

(211 cards)

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1
Q

origin of gluteus maximus?

A
  1. posterior Gluteal line of ilium
  2. Sacrum and coccyx
  3. Posterior ligaments of sacroiliac joint
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2
Q

insertion of gluteus maximus?

A

Gluteal tuberosity of femur

Iliotibial tract

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3
Q

action of Gluteus Maximus

A
  1. extends and laterally rotates the femur
  2. Stabilizes knee
  3. Helps stabilize pelvic bone
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4
Q

nerve supply of Gluteus Maximus

A

Inferior Gluteal Nerve

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5
Q

origin of Gluteus Medius?

A

external surface of ilium

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6
Q

insertion of Gluteus medius?

A

greater trochanter of Femur

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7
Q

action of Gluteus Medius

A
  1. abducts the Femur
  2. Medially rotates femur
  3. Helps steady pelvic bone when opposite foot raised off ground
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8
Q

nerve of Gluteus Medius

A

Superior Gluteal nerve

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9
Q

origin of Gluteus Minimus

A

external surface of ilium

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10
Q

insertion of gluteus minimus

A

greater trochanter of femur

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11
Q

action of gluteus minimus

A
  1. abducts the femur
  2. Medially rotates femur
  3. Helps steady pelvic bone when opposite foot raised off ground
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12
Q

nerve of gluteus minimus

A

superior gluteal nerve

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13
Q

origin of piriformis

A

anterior surface of sacrum

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14
Q

insertion of piriformis

A

greater trochanter of femur

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15
Q

action of piriformis

A

laterally rotates the femur

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16
Q

nerve of piriformis

A

S1, S2

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17
Q

origin of superior gemellus

A

spine of the ischium

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18
Q

insertion of superior gemellus

A

greater trochanter of femur

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19
Q

action of the superior gemellus

A

laterally rotates the femur

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20
Q

nerve of the superior gemellus

A

L4, L5, S1, S2

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21
Q

origin of obturator internus

A

internal surface of obturator membrane

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22
Q

insertion of obturator internus

A

greater trochanter of femur

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23
Q

action of obturator internus

A

laterally rotates the femur

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24
Q

nerve of obturator internus

A

L4,L5,S1,S2

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25
origin of inferior gemellus
ischial tuberosity
26
insertion of inferior gemellus
greater trochanter of femur
27
action of inferior gemellus
laterally rotates femur
28
nerve of inferior gemellus
L4,L5,S1,S2
29
origin of obturator externus
external surface of obturator membrane
30
insertion of obturator externus
trochanteric fossa of femur
31
action of obturator externus
laterally rotates the femur
32
nerve of obturator externus
obturator nerve
33
origin of quadratus femoris
ischial tuberosity
34
insertion of quadratus femoris
quadratus tubercule of femur
35
action of quadratus femoris
laterally rotates the femur
36
nerve of quadratus femoris
L4,L5,S1,S2
37
origin of semitendinosus
ischial tuberosity
38
insertion of semitendinosus
1. medial condyle of tibia | 2. Proximal posterior shaft of tibia
39
action of semitendinosus
1. flexion of the leg at the knee 2. Stabilize hip 3. Extend femur 4. Medially rotate leg
40
nerve of semitendinosus
sciatic nerve
41
origin of semimembranosus
ischial tuberosity
42
insertion of semimembranosus
medial condyle of tibia
43
action of semimembranosus
1. flexion of the leg at the knee 2. Stabilize hip 3. Extend femur 4. Medially rotate leg
44
nerve of semimembranosus
sciatic nerve
45
origin of long head biceps femoris
ischial tuberosity
46
insertion of long head biceps femoris
1. head of the fibula | 2. Lateral condyle of tibia
47
action of long head biceps femoris
1. flexion of the leg at the knee 2. Stabilizes hip 3. Extends femur 4. Laterally rotates leg
48
nerve of the long head of biceps femoris
sciatic nerve
49
origin of short head biceps femoris
Linea Aspera
50
insertion of short head biceps femoris
1. head of fibula | 2. Lateral condyle of tibia
51
action of short head biceps femoris
1. flexion of the leg at the knee | 2. Laterally rotates leg
52
nerve of the short head of biceps femoris
sciatic nerve
53
origin of Tensor Fascia Lata
crest of the ilium
54
insertion of Tensor Fascia Lata
iliotibial tract
55
action of the Tensor Fascia Lata
1. helps stabilize knee | 2. Flexes, abducts and medially rotates femur
56
nerve of Tensor Fascia Lata
Superior Gluteal nerve
57
origin of iliacus
1. iliac fossa | 2. Sacrum
58
action of iliacus
1. flexion of the femur at the hip 2. Assist Flexion of vertebral column 3. Helps maintain posture (integrity of spine)
59
insertion of iliacus
lesser trochanter of femur
60
nerve of iliacus
femoral nerve
61
origin of psoas major
bodies and transverse processes of lumbars
62
insertion of psoas major
lesser trochanter of femur
63
action of psoas major
1. flexion of the femur at the hip 2. Assist Flexion of vertebral column 3. Helps maintain posture (integrity of spine)
64
nerve of the psoas major
femoral nerve
65
origin of psoas minor
bodies of lumbar vertebrae
66
insertion of psoas minor
iliopubic eminence of pubis
67
action of psoas minor
flexion of pelvic bone (upward movement)
68
nerve of psoas minor
L1 (sometimes L2)
69
origin of sartorius
anterior superior iliac spine
70
insertion of sartorius
superior medial shaft of tibia
71
action of sartorius
1. abducts and laterally rotates the femur 2. Medially rotates leg 3. Assists Flexion hip and knee when both are carried out
72
nerve of sartorius
femoral nerve
73
origin of rectus femoris
1. anterior inferior iliac spine | 2. Acetabulum of pelvic bone
74
insertion of rectus femoris
base of patella
75
action of rectus femoris
1. extends the leg at the knee 2. Flexion at hip 3. Tonus of muscles play role in strengthening knee
76
nerve of rectus femoris
femoral nerve
77
origin of Vastus Medialis
linea aspera of femur
78
insertion of vastus medialis
base of patella
79
action of vastus medialis
1. extends the leg at the knee | 2. Tonus of muscles play role in strengthening knee
80
nerve of vastus medialis
femoral nerve
81
origin of vastus lateralis
1. linea aspera of femur | 2. Greater trochanter of femur
82
insertion of vastus lateralis
base of patella
83
action of vastus lateralis
1. extends the leg at the knee | 2. Tonus of muscles play role in strengthening knee
84
nerve of vastus lateralis
femoral nerve
85
origin of vastus intermedius
1. linea aspera of femur | 2. Antero-lateral aspect of femur
86
insertion of vastus intermedius
base of patella
87
action of vastus intermedius
1. extends the leg at the knee | 2. Tonus of muscles play role in strengthening knee
88
nerve of vastus intermedius
femoral nerve
89
origin of iliopsoas
combo of iliacus and psoas major
90
insertion of iliopsoas
lesser trochanter of femur
91
action of iliopsoas
flexion of the femur at the hip
92
nerve of the iliopsoas
femoral nerve
93
origin of gracilis
1. Ramus of ischium | 2. Inferior ramus of pubis
94
insertion of gracilis
superior medial shaft of tibia
95
action of gracilis
1. adducts the femur | 2. Flexion of leg
96
nerve of gracilis
obturator nerve
97
origin of pectinus
superior rami of pubis
98
insertion of pectinus
pectineal line of femur
99
action of pectinus
1. adducts the femur | 2. Flexion of femur at hip
100
nerve of pectinus
femoral and obturator nerve
101
origin of adductor longus
superior ramus of pubis
102
insertion of adductor longus
linea aspera of femur
103
nerve of adductor longus
obturator nerve
104
origin of adductor brevis
inferior ramus of pubis
105
insertion of adductor brevis
1. linea aspera of femur | 2. Pectineal line of femur
106
action of adductor longus
adducts the femur
107
nerve of adductor brevis
obturator nerve
108
action of adductor brevis
adducts the femur
109
origin of adductor magnus
rami of ischium and pubis
110
insertion of adductor magnus
1. linea aspera of femur | 2. Adductor tubercle of femur
111
action of adductor magnus
1. adducts the femur | 2. Extends femur at hip
112
nerve of adductor magnus
obturator nerve | sciatic nerve
113
Origin of tibialis anterior
1. Shaft of tibia | 2. Interosseous membrane
114
Insertion of tibialis anterior
1. 1st metatarsal | 2. Medial cuneiform
115
Actions of tibialis anterior?
1. Inverts and dorsal flexes foot | 2. Supports medial and longitudinal arch
116
Nerve of tibialis anterior
Deep fibular nerve
117
Origin of extensor digitorum longus
1. Lateral condyle 2. Shaft of fibula 3. Interosseous membrane
118
Insertion of extensor digitorum longus
Distal phalanges of digits 2-5
119
Actions of extensor digitorum longus
1. Extends digits 2-5 | 2. Dorsal flexes foot
120
Nerve of extensor digitorum longus
Deep fibular nerve
121
Origin of fibularis tertius
Shaft of fibula
122
Insertion of fibularis tertius
5th metatarsal
123
Actions of fibularis tertius
Everts and dorsal flexes foot
124
Nerve of fibularis tertius
Deep fibular nerve
125
Origin of extensor hallucis longus
1. Shaft of fibula | 2. Interosseous membrane
126
Insertion of extensor hallucis longus
Distal phalanx digit 1
127
Actions of extensor hallucis longus
1. Extends digit 1 | 2. Dorsal flexes foot
128
Nerve of extensor hallucis longus
Deep fibular nerve
129
Origin of fibularis longus
Shaft and head of fibula
130
Insertion of fibularis longus
1. 1st metatarsal | 2. Medial cuneiform
131
Actions of fibularis longus
1. Everts and plantar flexes foot | 2. Supports lateral and transverse arches
132
Nerve of fibularis longus
Superficial fibular nerve
133
Origin of fibularis brevis
Shaft of fibula
134
Insertion of fibularis brevis
5th metatarsal
135
Actions of fibularis brevis
1. Everts and plantar flexes foot | 2. Supports lateral arch
136
Origin of Gastrocnemius
Lateral and medial epicondyle of femur
137
Insertion of gastrocnemius
Tuberosity of calcaneus
138
Actions of gastrocnemius
1. Inverts and plantar flexes foot | 2. Stabilizes ankle
139
Origin of plantaris
Lateral supracondylar ridge of femur
140
Insertion of plantaris
Tuberosity of calcaneus
141
Actions of plantaris
Inverts and plantar flexes foot
142
Nerve of gastrocnemius
Tibial nerve
143
Nerve of plantaris
Tibial nerve
144
Origin of soleus
1. Soleal line of tibia | 2. Shaft and head of fibula
145
Insertion of soleus
Tuberosity of calcaneus
146
Actions of soleus
1. Inverts and plantar flexes foot | 2. Stabilizes ankle
147
Nerve of soleus
Tibial nerve
148
Origin of popliteus
Lateral epicondyle of femur
149
Insertion of popliteus
Shaft of tibia
150
Actions of popliteus
1. Medially rotates tibia | 2. Stabilizes knee
151
Nerve of popliteus
Tibial nerve
152
Origin of flexor digitorum longus
Shaft of tibia
153
Insertion of flexor digitorum longus
Distal phalanges of digits 2-5
154
Actions of flexor digitorum longus
1. Flexes digits 2-5 2. Plantar flexes foot 3. Supports medial and lateral arches
155
Nerve of flexor digitorum longus
Tibial nerve
156
Origin of flexor hallucis longus
1. Interosseous membrane | 2. Shaft of fibula
157
Insertion of flexor hallucis longus
Distal phalanx digit 1
158
Actions of flexor hallucis longus
1. Flexes digit 1 2. Inverts and plantar flexes foot 3. Supports medial arch
159
Nerve of flexor hallucis longus
Tibial nerve
160
Origin of tibialis posterior
1. Interosseous membrane | 2. Shaft of fibula and tibia
161
Insertion of tibialis posterior
1. Navicular 2. Cuneiform 3. Cuboid 4. Metatarsals 2-4
162
Actions of tibialis posterior
1. Inverts and plantar flexes foot | 2. Supports medial arch
163
Nerve of tibialis posterior
Tibial nerve
164
Origin of extensor digitorum brevis
Calcaneus
165
Insertion of extensor digitorum brevis
Tendons of extensor digitorum longus of digits 2–4
166
Action of extensor digitorum brevis
Extends digits 2-4
167
Nerve of extensor digitorum brevis
Deep fibular nerve
168
Origin of extensor hallucis brevis
Calcaneus
169
Insertion of extensor hallucis brevis
Proximal phalanx of digit 1
170
Action of extensor hallucis brevis
Extends digit 1
171
Nerve of extensor hallucis brevis
Deep fibular nerve
172
Origin of dorsal interosseous
Metatarsal bones
173
Insertion of dorsal interosseous
Proximal phalanx of digits 2-4
174
Actions of dorsal interosseous
1. Flexes respective digits | 2. Abducts digits 2-4
175
Nerve of dorsal interosseous
Lateral plantar nerve
176
Origin of plantar interosseous
3-5 metatarsals
177
Insertion of plantar interosseous
Proximal phalanx of digits 3-5
178
Actions of plantar interosseous
1. Flexes respective digits | 2. Adducts digits 3-5
179
Nerve of plantar interosseous
Lateral plantar nerve
180
Origin of abductor digiti quinti
Calcaneus
181
Insertion of abductor digiti quinti
Proximal phalanx of digit 5
182
Actions of abductor digiti quinti
1. Abducts digit 5 | 2. Supports lateral arch
183
Nerve of abductor digiti quinti
Lateral plantar nerve
184
Origin of abductor hallucis
Calcaneus
185
Insertion of abductor hallucis
Proximal phalanx digit 1
186
Actions of abductor hallucis
1. Abducts digit 1 | 2. Supports medial arch
187
Nerve of abductor hallucis
Medial plantar nerve
188
Origin of flexor digitorum brevis
Calcaneus
189
actions of flexor digitorum brevis
1. Flexes digits 2-5 | 2. Supports medial and lateral arch
190
Nerve of flexor digitorum brevis
Medial plantar nerve
191
Origin of lumbricals
Tendons of flexor digitorum longus
192
Insertion of lumbricals
1. Tendons of extensor digitorum longus | 2. Proximal phalanx digits 2-5
193
Actions of lumbricals
1. Flexes MP joints of digits 2-5 | 2. Extends IP joints of digits 2-5
194
Nerve of 2-4 lumbricals
Lateral plantar nerve
195
Origin of quadratic plantae
Calcaneus
196
Insertion of quadratus plantae
Tendons of flexor digitorum longus
197
Actions of quadratus plantae
Assists Flexion of digits 2-5
198
Nerve of quadratus plantae
Lateral plantar nerve
199
Origin of adductor hallucis
1. Oblique head: metatarsals 2-4 and tendon of fibularis longus 2. Transverse head: lateral 4 MP joints
200
Insertion of adductor hallucis
Proximal phalanx digit 1
201
Actions of adductor hallucis
1. Adducts digit 1 2. Flexes digit 1 3. Supports transverse arch
202
Nerve of adductor hallucis
Lateral plantar nerve
203
Origin of flexor digiti quinti brevis
1. Cuboid 2. 5th metatarsal 3. Tendon of fibularis longus
204
Insertion of flexor digiti quinti brevis
Proximal phalanx of digit 5
205
action of flexor digiti quinti brevis
Flexes digit 5
206
Nerve of flexor digiti quinti brevis
Lateral plantar nerve
207
Origin of flexor hallucis brevis
1. Cuboid | 2. Cuneiforms
208
Insertion of flexor hallucis brevis
Proximal phalanx digit 1
209
Actions of flexor hallucis brevis
1. Flexes digit 1 | 2. Supports medial arch
210
Nerve of flexor hallucis brevis
Medial plantar nerve
211
insertion of flexor digitorum brevis?
middle phalanges of digits 2-5

MUSCLES ETC!!! (6 decks)

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