Muscles - Leg & Foot Flashcards
(115 cards)
1
Q
What is this structure?
A
Tibialis Anterior
Tibialis Anterior
2
Q
What is the origin of this structure?
A
Lateral condyle/lateral surface of
proximal tibia
Tibialis Anterior
3
Q
What is the insertion of this structure?
A
Dorsal cuneiforms/
metatarsal 1
Tibialis Anterior
4
Q
What is the innervation of this structure?
A
Deep fibular nerve
Tibialis Anterior
5
Q
What is the function of this structure?
A
Dorsiflexes foot at
ankle, inverts foot
Tibialis Anterior
6
Q
What is this structure?
A
Extensor Digitorum Longus
Extensor Digitorum Longus
7
Q
What is the origin of this structure?
A
- Lateral condyle of tibia
- Proximomedial fibula/
- Anterior interosseous membrane
Extensor Digitorum Longus
8
Q
What is the insertion of this structure?
A
Dorsal side of middle/distal phalanges of digits 2-5
Extensor Digitorum Longus
9
Q
What is the innervation of this structure?
A
Deep fibular nerve
Extensor Digitorum Longus
10
Q
What is the function of this structure?
A
- Extends digits 2-5
- Dorsiflexes foot at ankle
Extensor Digitorum Longus
11
Q
What is this structure?
A
Extensor hallucis longus
Extensor hallucis longus
12
Q
What is the origin of this structure?
A
- Midshaft of anterior fibula
- Anterior interosseous membrane
Extensor hallucis longus
13
Q
What is the insertion of this structure?
A
Dorsal side of proximal hallux (big toe)
Extensor hallucis longus
14
Q
What is the innervation of this structure?
A
Deep fibular nerve
Extensor hallucis longus
15
Q
What is the function of this structure?
A
- Extends digit 1
- Dorsiflexes foot at ankle
Extensor hallucis longus
16
Q
What is this structure?
A
Fibularis tertius
Fibularis tertius
17
Q
What is the origin of this structure?
A
- Inferior shaft of fibula
- Anterior interosseous membrane
Fibularis tertius
18
Q
What is the insertion of this structure?
A
Dorsal side of proximal metatarsal 5
Fibularis tertius
19
Q
What is the innervation of this structure?
A
Deep fibular nerve
Fibularis tertius
20
Q
What is the function of this structure?
A
- Dorsiflexes foot at ankle
- Everts foot
Fibularis tertius
21
Q
What is this structure?
A
Fibularis longus
Fibularis longus
22
Q
What is the origin of this structure?
A
- Head of fibula
- Proximolateral shaft of fibula
Fibularis longus
23
Q
What is the insertion of this structure?
A
- Proximal base of metatarsal 1 (plantar side)
- Medial cuneiforms
Fibularis longus
24
Q
What is the innervation of this structure?
A
Superficial fibular nerve
Fibularis longus
25
What is the function of this structure?
* Everts foot at ankle
* Weak plantarflexion
| Fibularis longus
26
What is this structure?
Fibularis brevis
| Fibularis brevis
27
What is the origin of this structure?
Distal 2/3 of lateral shaft of fibula
| Fibularis brevis
28
What is the insertion of this structure?
Dorsolateral side of proximal metatarsal 5
| Fibularis brevis
29
What is the innervation of this structure?
Superficial fibular nerve
| Fibularis brevis
30
What is the function of this structure?
* Everts foot at ankle
* Weak plantarflexion
| Fibularis brevis
31
What is this structure?
Gastrocnemius
| Gastrocnemius
32
What is the origin of this structure?
* Lateral surface of condyle of femur
* Popliteal area proximal to medial condyle
| Gastrocnemius
33
What is the insertion of this structure?
Calcaneal tuberosity
| Gastrocnemius
34
What is the innervation of this structure?
Tibial nerve
| Gastrocnemius
35
What is the function of this structure?
* Plantarflexes foot at ankle
* Flexes leg at knee
| Gastrocnemius
36
What is this structure?
Plantaris
| Plantaris
37
What is the origin of this structure?
Lateral popliteal area
| Plantaris
38
What is the insertion of this structure?
Calcaneal tuberosity
| Plantaris
39
What is the innervation of this structure?
Tibial nerve
| Plantaris
40
What is the function of this structure?
Weak plantarflexion
| Plantaris
41
What is this structure?
Soleus
| Soleus
42
What is the origin of this structure?
* Soleal line on posterior tibia
* Postero-proximal fibula
| Soleus
43
What is the insertion of this structure?
Calcaneal tuberosity
| Soleus
44
What is the innervation of this structure?
Tibial nerve
| Soleus
45
What is the function of this structure?
Flexes foot at ankle
| Soleus
46
What is this structure?
Tibialis posterior
| Tibialis posterior
47
What is the origin of this structure?
* Posterior interosseous membrane
* Posterior tibia/fibula
| Tibialis posterior
48
What is the insertion of this structure?
Plantar foot including calcaneus, navicular, cuneiforms, cuboids, and metatarsals
| Tibialis posterior
49
What is the function of this structure?
* Plantarflexes foot at ankle
* Inverts foot at ankle
| Tibialis posterior
50
What is the innervation of this structure?
Tibial nerve
| Tibialis posterior
51
What is this structure?
Flexor digitorum longus
| Flexor digitorum longus
52
What is the origin of this structure?
Posterior tibia
| Flexor digitorum longus
53
What is the insertion of this structure?
Plantar surface of distal digits 2-5
| Flexor digitorum longus
54
What is the innervation of this structure?
Tibial nerve
| Flexor digitorum longus
55
What is the function of this structure?
* Flexion of digits 2-5
* Plantarflexion of foot at ankle
| Flexor digitorum longus
56
What is this structure?
Flexor hallucis longus
| Flexor hallucis longus
57
What is the origin of this structure?
* Inferior 2/3 of posterior fibula
* Posterior interosseous membrane
| Flexor hallucis longus
58
What is the insertion of this structure?
* Plantar surface of distal digit 1
| Flexor hallucis longus
59
What is the innervation of this structure?
Tibial nerve
| Flexor hallucis longus
60
What is the innervation of this structure?
Tibial nerve
| Flexor hallucis longus
61
What is this structure?
Extensor hallucis brevis
| Extensor hallucis brevis
62
What is the origin of this structure?
Dorsal calcaneus (lateral side)
| Extensor hallucis brevis
63
What is the insertion of this structure?
Dorsal side of proximal digit 1
| Extensor hallucis brevis
64
What is the innervation of this structure?
Deep fibular nerve
| Extensor hallucis brevis
65
What is the function of this structure?
Extend hallux (big toe)
| Extensor hallucis brevis
66
What is this structure?
Extensor digitorum brevis
| Extensor digitorum brevis
67
What is the origin of this structure?
Dorsal calcaneus (lateral side)
| Extensor digitorum brevis
68
What is the insertion of this structure?
Dorsal extensor sheath of digits 2-5
| Extensor digitorum brevis
69
What is the innervation of this structure?
Deep fibular nerve
| Extensor digitorum brevis
70
What is the function of this structure?
Extend digits 2-5
| Extensor digitorum brevis
71
What is this structure?
Quadratus plantae
| Quadratus plantae
72
What is the origin of this structure?
Medial/lateral plantar calcaneus
| Quadratus plantae
73
What is the insertion of this structure?
Tendon of flexor digitorum longus
| Quadratus plantae
74
What is the innervation of this structure?
Lateral plantar nerve
| Quadratus plantae
75
What is the function of this structure?
Flex digits 2-5
| Quadratus plantae
76
What is this structure?
Flexor digitorum brevis
| Flexor digitorum brevis
77
What is the origin of this structure?
* Medio-plantar calcaneal tuberosity
* Plantar aponeurosis
| Flexor digitorum brevis
78
What is the insertion of this structure?
Middle phalanges of digits 2-5
| Flexor digitorum brevis
79
What is the innervation of this structure?
Medial plantar nerve
| Flexor digitorum brevis
80
What is the function of this structure?
Flex digits 2-5
| Flexor digitorum brevis
81
What is this structure?
Abductor hallucis
| Abductor hallucis
82
What is the origin of this structure?
* Medio-plantar calcaneal tuberosity
* Plantar aponeurosis
| Abductor hallucis
83
What is the insertion of this structure?
Proximal digit 1
| Abductor hallucis
84
What is the innervation of this structure?
Medial plantar nerve
| Abductor hallucis
85
What is the function of this structure?
Abduct hallux (big toe)
| Abductor hallucis
86
What is this structure?
Abductor digiti minimi
| Abductor digiti minimi
87
What is the origin of this structure?
* Plantar calcaneal tuberosity
* Plantar aponeurosis
| Abductor digiti minimi
88
What is the insertion of this structure?
Lateral side of proximal digit 5
| Abductor digiti minimi
89
What is the innervation of this structure?
Lateral plantar nerve
| Abductor digiti minimi
90
What is the function of this structure?
Abduct little toe
| Abductor digiti minimi
91
What is this structure?
Flexor hallucis brevis
| Flexor hallucis brevis
92
What is the origin of this structure?
Plantar cuboid/cuneiforms
| Flexor hallucis brevis
93
What is the insertion of this structure?
Proximal digit 1
| Flexor hallucis brevis
94
What is the innervation of this structure?
Medial plantar nerve
| Flexor hallucis brevis
95
What is the function of this structure?
Flex hallux (big toe)
| Flexor hallucis brevis
96
What is this structure?
Adductor hallucis
| Adductor hallucis
97
What is the origin of this structure?
* Proximal metatarsals 2-4 (oblique)
* Ligaments covering MP joints (transverse)
| Adductor hallucis
98
What is the insertion of this structure?
Proximal digit 1
| Adductor hallucis
99
What is the innervation of this structure?
Lateral plantar nerve
| Adductor hallucis
100
What is the function of this structure?
* Adduct hallux (big toe)
* Arch support
| Adductor hallucis
101
What is this structure?
Plantar interossei
| Plantar interossei
102
What is the origin of this structure?
Medial metatarsals 3-5 (plantar side)
| Plantar interossei
103
What is the insertion of this structure?
Medial side of proximal phalanges for digits 3-5
| Plantar interossei
104
What is the innervation of this structure?
Lateral plantar nerve
| Plantar interossei
105
What is the function of this structure?
* Adduct digits 3-5
* Flex MP
| Plantar interossei
106
What is this structure?
Dorsal interossei
| Dorsal interossei
107
What is the origin of this structure?
Between metatarsals
| Dorsal interossei
108
What is the insertion of this structure?
* Medial side of proximal phalanx for digit 2
* Lateral side of digits 2-4
| Dorsal interossei
109
What is the innervation of this structure?
Lateral plantar nerve
| Dorsal interossei
110
What is the function of this structure?
* Abduct digits 2-4
* Flex MP
| Dorsal interossei
111
What is this structure?
Popliteus
| Popliteus
112
What is the origin of this structure?
Lateral surface of lateral condyle of femur
| Popliteus
113
What is the insertion of this structure?
Posterior surface of proximal tibia
| Popliteus
114
What is the innervation of this structure?
Tibial nerve
| Popliteus
115
What is the function of this structure?
* Weakly flexes knee
* Control of bent knee
* Rotates tibia
| Popliteus
