Muscle of the Lower Limb Flashcards
Information used from Netter's Atlas of Human Anatomy (150 cards)
1
Q
What are the main actions of the Abductor digiti minimi?
A
Abducts and flexes 5th digit
2
Q
What are the main actions of the Abductor hallucis?
A
Abducts and flexes 1st digit
3
Q
What are the main actions of the Adductor brevis?
A
Adducts things at high, weak hip flexor
4
Q
What are the main actions of the Adductor hallucis?
A
Adducts 1st digit, maintains transverse arch of foot
5
Q
What are the main actions of the Adductor longus?
A
Adducts thigh at hip
6
Q
What are the main actions of the Adductor Magnus?
A
Adductor part: Adducts and flexes the thigh Hamstring part: Extends thigh
7
Q
What are the main actions of the Articularis genus?
A
Pulls suprapatellar bursa superiorly with extension of knee
8
Q
What are the main actions of the Biceps femoris?
A
Flexes and laterally rotates leg, extends thigh at hip
9
Q
What are the main actions of the Dorsal Interossei (four muscles)?
A
Abducts 2nd04th digits of foot, flex metatasophalangeal joints, and extend phalangeal bones
10
Q
What are the main actions of the Extensor digitorum brevis and extensor hallucis brevis?
A
Aids extensor digitorum lonhus in extending 0f 4 medial digits at metatarsophalangeal and interphalangeal joints
11
Q
What are the main actions of the Extensor digitoum longus?
A
Extends lateral 4 digits and dorsiflexes for at ankle
12
Q
What are the main actions of the Extensor hallucis longus?
A
Extends great toe, dorsiflexes foot ankle
13
Q
What are the main actions of the Fibularis brevis?
A
Everts foot and weakly plantarfelxes foot at ankle
14
Q
What are the main actions of the Fibularis longus?
A
Everts foot and weakly plantarflexes foot at ankle
15
Q
What are the main actions of the Fibularis tertius?
A
Dorsiflexes foot at ankle and aids in eversion of foot
16
Q
What are the main actions of the Flexes digitorum brevis?
A
Flexes 2nd-5th digits
17
Q
What are the main actions of the Flexor digiti minimi brevis?
A
Flexes proximal phalanx of 5th digit
18
Q
What are the main actions of the Flexor digitorum longus?
A
Flexes lateral 4 digits and plantarflexes foot at ankle and supports longitudinal arches of foot
19
Q
What are the main actions of the Flexor hallucis brevis?
A
Flexes proximal phalanx of 1st digit
20
Q
What are the main actions of the Flexor hallucis longus?
A
Flexes all joints of great toe, and weakly plantarflexes foot at ankle
21
Q
What are the main actions of the Gastrocnemius?
A
Plantarflexes foot at ankle joint and assists in flexion of knee joint
22
Q
What are the main actions of the Gluteus Maximus?
A
Extends flexed thigh, assists in lateral rotation, and abducts thigh
23
Q
What are the main actions of the Gluteus medius?
A
Abducts and medially rotates thigh at hips and steadies pelvis on leg when opposite keg is raised
24
Q
What are the main actions of the Gluteus minimus?
A
Abducts and medially rotates thigh at highs and steadies pelvis in leg when opposite leg is raised
25
What are the main actions of the Gracilis?
Adducts thigh, flexes and medially rotates leg
26
What are the main actions of the Iliacus (iliopsoas)?
Flexes thigh at hips and stabilizes hip joint and acts with poses major
27
What are the main actions of the Inferior gemellus?
Laterally rotates extended thigh and abducts flexed thigh
28
What are the main actions of the Lumbricals?
Flexes proximal phalangeal bones at metatarsophalangeal joint, extends phalangeal bones at proximal interphalangeal and distal interphalangeal joints
29
What are the main actions of the Obturator externus?
Laterally rotates thigh, stabilizes head of femur in acetabulum
30
What are the main actions of the Obturator internus?
Laterally rotates extended thigh, abducts flexed thigh at hips
31
What are the main actions of the Pectineus?
Adducts and flexes thigh at hip
32
What are the main actions of the Piriformis?
Laterally rotates extended thigh, abducts flexed thigh at hip
33
What are the main actions of the Plantar Interossei (three muscles)?
Adducts digits (3-5) and flexes metatarsophalangeal joint and extended phalangeal bones
34
What are the main actions of the Plantaris?
Weakly assists gastrocnemius
35
What are the main actions of the Popliteus?
Weakly flexes knee and unlocks it by rotating femur on fixed tibia
36
What are the main actions of the Psoas major (iliopsoas)?
Acting superiorly with iliacus, flexes hip Acting inferiorly , flexes vertebral column laterally Acting inferiorly with iliacus, flexes trunk Used to balance trunk is sitting position
37
What are the main actions of the Quadratus femoris?
Laterally rotates thigh at hip
38
What are the main actions of the Quadratus plantae?
Coorects for oblique pull of flexor digitorum longus tendon, thus assisting in flexion of digits of foot
39
What are the main actions of the Rectus femoris (quadriceps)?
Extends leg at knee joint and flexes thigh at hip joint
40
What are the main actions of the Sartorius?
Abducts, laterally rotates, and flexes thigh, and flexes knee joint
41
What are the main actions of the Semimembranous?
Flexes leg and extends thigh
42
What are the main actions of the Semitendinosus?
Flexes keg and extends thigh
43
What are the main actions of the Soleus?
Plantarflexes foot at ankle and stabilizes leg over foot
44
What are the main actions of the Superior gemellus?
Laterally rotates extended thigh and abducts flexed thigh
45
What are the main actions of the Tensor fasciae latae?
Abduvts, medially rotates and flexes thigh at hip and helps to keep knee extended
46
What are the main actions of the Tibialis anterior?
Dorsiflexes foot at ankle and inverts foot
47
What are the main actions of the Tibialis posterior?
Plantarflexes foot at ankle and inverts foot
48
What are the main actions of the Vastus intermedius (quadriceps)?
Extends leg at knee joints
49
What are the main actions of the Vastus lateralis (quadriceps)?
Extends leg at knee joints
50
What are the main actions of the Vastus medialis (quadriceps)?
Extends leg at knee joints
51
What is the blood supply of the Abductor digiti minimi?
Mediolateral plantar arter, plantar metatarsal and plantar digital arteries to 5th digit
52
What is the blood supply of the Abductor hallucis?
Medial plantar and 1st plantar metatarsal arteries
53
What is the blood supply of the Adductor brevis?
Profunda femoris, medial circumflex femoral arteries, and metatarsal arteries
54
What is the blood supply of the Adductor hallucis?
Medial and lateral plantar arteries and plantar arch, plantar metatarsal arteries
55
What is the blood supply of the Adductor longus?
Profunda femoris and medial circumflex femoral arteries
56
What is the blood supply of the Adductor Magnus?
Femoral, profunda femoris, and obturator arteries
57
What is the blood supply of the Articularis genus?
Femoral artery
58
What is the blood supply of the Biceps femoris?
Perforating branches of profunda femoris, inferior gluteal, and medial circumflex femoral arteries
59
What is the blood supply of the Dorsal Interossei (four muscles)?
Arcuate artery, dorsal and plantar metatarsal arteries
60
What is the blood supply of the Extensor digitorum brevis and Extensor hallucis brevis?
Dorsal pedis, lateral tarsal, arcuate and fibular arteries
61
What is the blood supply of the Extensor digitorum longus?
Anterior tibial artery
62
What is the blood supply of the Extensor hallucis longus?
Anterior tibial artery
63
What is the blood supply of the Fibularis brevis?
Anterior tibial and fibular arteries
64
What is the blood supply of the Fibularis longus?
Anterior tibial and fibular arteries
65
What is the blood supply of the Fibularis tertius?
Anterior tibial artery
66
What is the blood supply of the Flexor digiti minimi brevis?
Lateral plantar artery, plantar digital artery to 5th digit, arcuate artery
67
What is the blood supply of the Flexor digitorum brevis?
Medial and lateral plantar arteries and plantar arch plantar metatarsal and plantar digital arteries
68
What is the blood supply of the Flexor digitorum longus?
Posterior tibial artery
69
What is the blood supply of the Flexor hallucis brevis?
Medial plantar artery and 1st plantar metatarsal artery
70
What is the blood supply of the Flexor hallucis longus?
Fibular artery
71
What is the blood supply of the Gastrocnemius?
Popliteal and posterior tibial arteries
72
What is the blood supply of the Gluteus Maximus?
Inferior gluteal arteries (mainly) and gluteal arteries (occasionally)
73
What is the blood supply of the Gluteus medius?
Superior gluteal artery
74
What is the blood supply of the Gluteus minimus?
Main trunk and deep branch of superior gluteal artery
75
What is the blood supply of the Gracilis?
Profunda femoris artery, medial circumflex femoral artery
76
What is the blood supply of the iliacus (iliopsoas)?
Iliac branches of iliolumbar artery
77
What is the blood supply of the Inferior gemellus?
Medial circumflex femoral artery
78
What is the blood supply of the Lumbricals?
Lateral plantar artery and plantar metatarsal arteries
79
What is the blood supply of the Obturator externus?
Medial circumflex, femoral artery, obturator artery
80
What is the blood supply of the Obturator internus?
Internal pudendal and obturator arteries
81
What is the blood supply of the Pectineus?
Medial circumflex, femoral artery, obturator artery
82
What is the blood supply of the Piriformis ?
Superior and inferior gluteal arteries, internal pudendal artery
83
What is the blood supply of the Plantar Interossei (three muscles)?
Lateral plantar arter, and plantar arch, plantar metatarsal and plantar digital arteries
84
What is the blood supply of the Planters?
Popliteal artery
85
What is the blood supply of the Popliteus?
Inferior medial and lateral vehicular arteries
86
What is the blood supply of the Psoas major (iliopsoas)?
Lumbar branches of iliolumbar artery
87
What is the blood supply of the Quadratus femoris?
Medial Circumflex femoral artery
88
What is the blood supply of the Quadratus plantar?
Medial and lateral plantar arteries and deep plantar arterial arch
89
What is the blood supply of the Rectus femoris?
Profunda femoris and lateral circumflex femoral arteries
90
What is the blood supply of the Sartorius?
Femoral artery
91
What is the blood supply of the Semimbranosus?
Perforating branch of profunda femoris and medial circumflex femoral arteries
92
What is the blood supply of the semitendinosis?
Perforating branch of profunda femoris and medial circumflex femoral arteries
93
What is the blood supply of the Soleus?
Popliteal, posterior tibial and fibular arteries
94
What is the blood supply of the Superior gemelus?
Inferior gluteal and internal pudendal arteries
95
What is the blood supply of the Tensor fasciae later?
Ascending branch of lateral circumflex femoral artery
96
What is the blood supply of the Tibialis anterior?
Anterior tibial artery
97
What is the blood supply of the tibialis posterior?
Fibular artery
98
What is the blood supply of the Vastus intermedius (quadriceps)?
Lateral Circumflex femoral and profunda femoris arteries
99
What is the blood supply of the Vastus Lateralis (quadriceps)?
Lateral circumflex femoral and profunda femoris arteries
100
What is the blood supply of the Vastus Medialis (quadriceps)?
Femoral and profunda femoris arteries
101
What nerve innervates Abductor digit minimi?
Lateral plantar nerve
102
What nerve innervates Abductor hallucis?
Lateral plantar nerve
103
What nerve innervates Adductor Brevis?
Obturator nerve
104
What nerve innervates Adductor Hallucis?
Deep branch of lateral plantar nerve
105
What nerve innervates Adductor Longus?
Obturator nerve (anterior division)
106
What nerve innervates Adductor Magnus?
Adductor part: obturator nerve Hamstring part: sciatic nerve (tibial divison)
107
What nerve innervates Articularis genus?
Femoral nerve
108
What nerve innervates Biceps femoris?
Long head: Sciatic nerve (tibial division) (L5-L2)
109
What nerve innervates Dorsal Interossei (four muscles)?
Lateral plantar nerve
110
What nerve innervates Extensor digitorum brevis and Extensor hallucis brevis?
Deep fibular nerve
111
What nerve innervates Extensor digitorum longus?
Deep fibular nerve
112
What nerve innervates Extensor hallucis longus?
Deep fibular nerve
113
What nerve innervates Fibularis brevis?
Superficial fibular nerve
114
What nerve innervates Fibularis longus?
Superficial fibular nerve
115
What nerve innervates Fibularis tertius?
Deep Fibular nerve
116
What nerve innervates Flexor digiti minimi brevis?
Superficial branch of lateral plantar nerve
117
What nerve innervates Flexor digitorum brevis?
Medial plantar nerve
118
What nerve innervates Flexor digitorum longus?
Tibial nerve
119
What nerve innervates Flexor hallucis brevis?
Medial plantar nerve
120
What nerve innervates Flexor hallucis longus?
Tibial nerve
121
What nerve innervates Gastrocnemius?
Tibial nerve
122
What nerve innervates Gluteus Maximus?
Inferior gluteal nerve
123
What nerve innervates Gluteus medius?
Superior gluteal nerve
124
What nerve innervates Gluteus minimus?
Superior gluteal nerve
125
What nerve innervates Gracillis?
Obturator nerve
126
What nerve innervates Iliacus (iliopsoas)?
Femoral Nerve
127
What nerve innervates Inferior gemellus?
Nerve to Quadratus femoris muscle
128
What nerve innervates Lumbricals?
Medial one: medial plantar nerve Lateral Three: lateral plantar nerve
129
What nerve innervates Obturator externes?
Obturator nerve
130
What nerve innervates Obturator internus?
Nerve to obturator interns muscle
131
What nerve innervates Pectineus?
Femoral nerve and sometimes obturator nerve
132
What nerve innervates Piriformis?
Ventral rami of L5, S1, S2
133
What nerve innervates Plantar Interossei (three muscles)?
Lateral plantar nerve
134
What nerve innervates Plantaris?
Tibial nerve
135
What nerve innervates Popliteus?
Tibial nerve (L4-S1)
136
What nerve innervates Psoas major (iliopsoas)?
Anterior rami of first three lumbar nerves
137
What nerve innervates Quadratus femoris?
Nerve to Quadratus femoris muscle
138
What nerve innervates Quadratus plantae?
Lateral plantar nerve
139
What nerve innervates Rectus Femoris (quadriceps)?
Femoral nerve
140
What nerve innervates Sartorius?
Femoral nerve
141
What nerve innervates Semimembranosus?
Sciatic nerve (tibial division)
142
What nerve innervates Semitendinosus?
Sciatic nerve (tibial division)
143
What nerve innervates Soleus?
Tibial Nerve
144
What nerve innervates Superior gemellus?
Nerve to obturator internus muscle
145
What nerve innervates Tensor fasciae latae?
Superior gluteal nerve
146
What nerve innervates Tibialis anterior?
Deep fibular nerve
147
What nerve innervates Tibialis posterior?
Tibial nerve
148
What nerve innervates Vastus intermedium (quadriceps)?
Femoral nerve
149
What nerve innervates Vastus laterals (quadriceps)?
Femoral nerve
150
What nerve innervates Vastus medialis (quadriceps)?
Femoral nerve
