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Anatomy > O's and I's Foot Intrinsics > Flashcards

O's and I's Foot Intrinsics Flashcards

(100 cards)

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1
Q

Abductor Hallucis Origin

A
  1. Medial process of Calcaneus

2. Plantar Aponeurosis

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2
Q

Abductor Hallucis Insertion

A

Medial side of base of proximal phalanx of big toe

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3
Q

Abductor Hallucis Action

A
  1. Abducts big toe

2. Assists in flexing Hallux

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4
Q

Abductor Hallucis Nerve

A

Medial Plantar

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5
Q

Flexor Digitorum Brevis Origin

A
  1. Anterior aspect of medial process of Calcaneus

2. Plantar Aponeurosis

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6
Q

Flexor Digitorum Brevis Insertion

A

Splits to attach on both sides of the middle phalanx of toes 2-5

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7
Q

Flexor Digitorum Brevis Action

A

Flexes toes 2-5

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8
Q

Flexor Digitorum Brevis Nerve

A

Medial Plantar

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9
Q

Abductor Digiti Minimi Origin

A
  1. Lateral process of Calcaneus

2. Plantar Aponeurosis

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10
Q

Abductor Digiti Minimi Insertion

A

Lateral side of the base of the proximal phalanx of the 5th toe

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11
Q

Abductor Digiti Minimi Action

A

Abducts and flexes 5th toe

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12
Q

Abductor Digiti Minimi Nerve

A

Lateral Plantar

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13
Q

Quadratus Plantae Origin

A
  1. Medial Head: Medial Calcaneus

2. Lateral Head: Lateral Calcaneus and long plantar ligament

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14
Q

Quadratus Plantae Insertion

A

Lateral edge of tendon of Flexor Digitorum Longus

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15
Q

Quadratus Plantae Action

A

Aids to flex toes 2-5 by offsetting the oblique pull of the Flexor Digitorum Longus

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16
Q

Quadratus Plantae Nerve

A

Lateral Plantar

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17
Q

Lumbricales Origin

A

From the tendon of the Flexor Digitorum Longus (4 Muscles)

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18
Q

Lumbricales Insertion

A

Onto tendons of Extensor Digitorum Longus

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19
Q

Lumbricales Action

A
  1. Flexes proximal phalanx at MTP joint

2. Extends middle and distal phalanges at IP joints

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20
Q

Lumbricales Nerve

A

1st- Medial Plantar

2nd-4th- Lateral Plantar

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21
Q

Flexor Hallucis Brevis Origin

A

Medial aspect of Cuboid

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22
Q

Flexor Hallucis Brevis Insertion

A

Base of proximal phalanx of Hallux

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23
Q

Flexor Hallucis Brevis Action

A

Flexes big toe

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24
Q

Flexor Hallucis Brevis Nerve

A

Medial Plantar

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25
Adductor Hallucis Origin
1. Oblique Head: Base of 2nd-4th Metatarsals and Long Plantar Ligament 2. Transverse Head: Transverse Metatarsal Ligament and Plantar ligaments at MTP joint
26
Adductor Hallucis Insertion
Lateral aspect of the base of the proximal phalanx of Hallux
27
Adductor Hallucis Action
1. Adducts big toe | 2. Flexes big toe
28
Adductor Hallucis Nerve
Lateral Plantar
29
Flexor Digiti Minimi Brevis Origin
Base of 5th Metatarsal
30
Flexor Digiti Minimi Brevis Insertion
Lateral aspect of the base of the proximal phalanx of the 5th ray
31
Flexor Digiti Minimi Brevis Action
Flexes 5th toe
32
Flexor Digiti Minimi Brevis Nerve
Lateral Plantar
33
Plantar Interossei Origin
Medial aspect of 3rd-5th Metatarsals
34
Plantar Interossei Insertion
Medial aspect of base of proximal phalanx of the same ray (3rd-5th)
35
Plantar Interossei Action
1. Adducts toes 3-5 | 2. Flexes toes 3-5
36
Plantar Interossei Nerve
Lateral Plantar
37
Dorsal Interossei Origin
From both metatarsals between which they lie
38
Dorsal Interossei Insertion
1. Medial side of proximal phalanx of 2nd toe 2. Lateral side of proximal phalanx of 2nd toe 3. Lateral side of proximal phalanx of 3rd toe 4. Lateral side of proximal phalanx of 4th toe
39
Dorsal Interossei Action
1. Abducts toes 2-4 | 2. Flexes toes 2-4
40
Dorsal Interossei Nerve
Lateral Plantar
41
Extensor Hallucis Brevis Origin
Dorsal surface of Calcaneus
42
Extensor Hallucis Brevis Insertion
Base of proximal phalanx of hallux on dorsum
43
Extensor Hallucis Brevis Action
Extends big toe
44
Extensor Hallucis Brevis Nerve
Deep Peroneal
45
Extensor Digitorum Brevis Origin
Dorsal surface of anterolateral calcaneus
46
Extensor Digitorum Brevis Insertion
Lateral side of tendons of Extensor Digitorum Longus for 2nd-4th toes
47
Extensor Digitorum Brevis Action
Extends 2nd-4th toes
48
Extensor Digitorum Brevis Nerve
Deep Peroneal
49
Gastrocnemius Origin
1. Medial Head: Just above the Medial Condyle of Femur | 2. Lateral Head: Lateral Condyle of Femur
50
Gastrocnemius Insertion
Calcaneus
51
Gastrocnemius Action
1. Plantar Flexes Ankle | 2. Flexes Knee
52
Gastrocnemius Nerve
Tibial
53
Soleus Origin
1. Soleal Line of Tibia | 2. Upper Fibula
54
Soleus Insertion
Calcaneus
55
Soleus Action
Plantar Flexes Ankle
56
Soleus Nerve
Tibial
57
Plantaris Origin
Lateral Femoral Condyle
58
Plantaris Insertion
Calcaneus
59
Plantaris Action
1. Weakly Plantar Flexes Ankle | 2. Weakly Flexes Knee
60
Plantaris Nerve
Tibial
61
Popliteus Origin
Lateral Femoral Epicondyle
62
Popliteus Insertion
Soleal Line
63
Popliteus Action
1. Insertion fixed: Laterally rotates Femur on Tibia and unlocks (flexes) knee 2. Origin fixed: Medially rotates Tibia on Femur and unlocks (flexes) knee
64
Popliteus Nerve
Tibial
65
Tibialis Posterior Origin
1. Posterior Tibia | 2. Interosseus Membrane
66
Tibialis Posterior Insertion
1. Navicular Tuberosity 2. Plantar surface of Cuneiforms and Cuboid 3. Bases of 2nd-4th Metatarsals
67
Tibialis Posterior Action
1. Inversion 2. Horizontal Adduction 3. Weakly Plantar Flexes Ankle 4. Functionally: Resists Hyperpronation
68
Tibialis Posterior Nerve
Tibial
69
Flexor Digitorum Longus Origin
Posterior Surface of Tibia
70
Flexor Digitorum Longus Insertion
Plantar Surface of the bases of 2nd-5th Distal Phalanges
71
Flexor Digitorum Longus Action
1. Primarily Flexes 2nd-5th Toes 2. Weakly Plantar Flexes Ankle 3. Weakly Inverts and Adducts Foot
72
Flexor Digitorum Longus Nerve
Tibial
73
Flexor Hallucis Longus Origin
1. Posterior, Inferior 2/3 Fibula | 2. Interosseus Membrane
74
Flexor Hallucis Longus Insertion
Plantar Surface of Distal Phalanx of Hallux
75
Flexor Hallucis Longus Action
1. Flexes Hallux 2. Weakly Plantar Flexes Ankle 3. Weakly Inverts and Adducts Foot
76
Flexor Hallucis Longus Nerve
Tibial
77
Peroneus (Fibularis) Longus Origin
1. Head of Fibula | 2. Upper Half of Fibula
78
Peroneus (Fibularis) Longus Insertion
1. Base of 1st Metatarsal 2. 1st Cuneiform 3. Base of 2nd Metatarsal
79
Peroneus (Fibularis) Longus Action
1. Everts and Horizontally Abducts Foot | 2. Weakly Plantar Flexes Foot
80
Peroneus (Fibularis) Longus Nerve
Superficial Fibular
81
Peroneus (Fibularis) Brevis Origin
Lower Half of Fibula
82
Peroneus (Fibularis) Brevis Insertion
Tuberosity on Lateral Aspect of Base of 5th Metatarsal
83
Peroneus (Fibularis) Brevis Action
1. Everts and Horizontally Abducts Foot | 2. Weakly Plantar Flexes Foot
84
Peroneus (Fibularis) Brevis Nerve
Superficial Fibular
85
Tibialis Anterior Origin
Lateral Tibial Condyle and Anterolateral Surface of Tibia
86
Tibialis Anterior Insertion
1. Medial and Plantar Surface of Base of 1st Metatarsal | 2. Medial and Plantar Surface of 1st Cuneiform
87
Tibialis Anterior Action
1. Dorsiflexes Foot | 2. Helps Invert and Horizontally Adduct Foot
88
Tibialis Anterior Nerve
Deep Fibular
89
Extensor Hallucis Longus Origin
1. Medial Aspect of Fibula | 2. Interosseus Membrane
90
Extensor Hallucis Longus Insertion
Dorsal Surface of Base of Proximal and Distal Phalanx of Hallux
91
Extensor Hallucis Longus Action
1. Extends Distal Phalanx of Big Toe 2. Weakly Dorsiflexes Foot 3. Weakly Inverts and Adducts Foot
92
Extensor Hallucis Longus Nerve
Deep Fibular
93
Extensor Digitorum Longus Origin
1. Upper Anterior Surface of Fibula | 2. Interosseus Membrane
94
Extensor Digitorum Longus Insertion
Dorsal Surface of the Bases of the Middle and Distal Phalanxes of the 2nd-5th Rays
95
Extensor Digitorum Longus Action
1. Extends Lateral 4 Toes | 2. Weakly Dorsiflexes and Everts Foot
96
Extensor Digitorum Longus Nerve
Deep Fibular
97
Peroneus Tertius Origin
Distal 1/3 of Anterior Fibula
98
Peroneus Tertius Insertion
Dorsal Surface of the Base of the 5th Metatarsal
99
Peroneus Tertius Action
Weakly Dorsiflexes and Everts Foot
100
Peroneus Tertius Nerve
Deep Fibular

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