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Anat1 > Week 7/8 > Flashcards

Week 7/8 Flashcards

1
Q

Plantar aponeurosis anterior and posterior connection

A

Attaches posteriorly to the medial process of the calcaneus, anteriorly to the heads of the metatarsals

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2
Q

Flexor hallucis longus Insertion

A

Distal phalanx big toe

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3
Q

4th layer of foot muscles

A

Plantar interossei

Dorsal interossei

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4
Q

Supplies skin on the medial side of leg and foot.

A

Saphenous n.

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5
Q

Plantar interossei Origin

A

Medial sides of 3rd-5th metatarsals

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6
Q

Adductor hallucis action

A

Adductor great toe, assists in maintaining transverse arch

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7
Q

Plantar interossei Innervation

A

Lateral plantar nerve

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8
Q

The most commonly sprained ligament in the body…

A

Anterior tibiofibular ligament

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9
Q

Peroneus brevis Innervation

A

Superficial peroneal

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10
Q

Peroneus longus Origin

A

Superior 2/3 of fibula

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11
Q

The plantar arch joins the ______ of the dorsalis pedis.

A

Deep plantar branch

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12
Q

Popliteus Insertion

A

Lateral condyle of femur

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13
Q

Extensor digitorium brevis Innervation

A

Deep peroneal (L5 S1)

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14
Q

Extensor digitorium longus Innervation

A

Deep peroneal (L4, L5)

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15
Q

Superior extensor retinaculum

A

Strong broad band of deep fascia passing from fibula to tibia, proximal to the malleoli

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16
Q

Lumbricals Insertion

A

Dorsal digital expansions

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17
Q

Peroneus Tertius Action

A

Dorsiflexion of foot and reversion of the foot

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18
Q

Muscles of anterior leg compartment are _____ of the ankle joint. Meaning they….

A

Dorsiflexors

Elevate forefoot and depress heel.

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19
Q

Abductor digiti quinti Innervation

A

Lateral plantar nerve (S2, S3)

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20
Q

Extensor Digitorium Longus Origin

A

Superior 2/3 of the fibula

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21
Q

Extensor hallucis longus Innervation

A

Deep peroneal (L5 S1)

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22
Q

Extensor digitorium longus Action

A

Dorsiflexion of foot and extension of toes

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23
Q

Flexor digitorium longus Insertion

A

Distal phalanx of lateral 4 digits

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24
Q

Soleus Innervation

A

Tibial nerve

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25
Q

Inferior to the medial malleolus, the _______ nerve divides into _____ and _______.

A

Tibial nerve

Medial and lateral plantar nerves.

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26
Q

Flexor digitorium longus tendon Origin

A

Tibia

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27
Q

Extensor Hallucis Longus Origin

A

Middle 1/3 fibula

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28
Q

Medial plantar nerve supplies motor to which 4 muscles

A

Abductor hallucis
Flexor hallucis brevis
Flexor digitorium brevis
Medial lumbrical

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29
Q

Adductor hallucis Insertion

A

Proximal phalanx

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30
Q

Abductor digiti quinti Origin

A

Calcaneus

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31
Q

The _____ gives rise to metatarsal and digital arteries for supply of blood to the tarsal joints, digits 1-5, and surrounding musculature

A

Plantar arch

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32
Q

Extensor hallucis longus action

A

Dorsiflexion of foot and extension of hallux

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33
Q

Extensor Hallucis longus Insertion

A

Base of distal phalanx of Hallux

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34
Q

Plantaris action

A

Plantarflexion of foot, flexion of leg

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35
Q

Flexor digiti quinti Innervation

A

Lateral plantar nerve

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36
Q

Popliteus action

A

Rotation of knee joint, knee flexion

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37
Q

Gastrocnemius Innervation

A

Tibial nerve

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38
Q

Lateral compartment of leg is supplied by ______ Artery, a beach of the ______artery.

A

Peroneal Artery

Posterior tibial artery

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39
Q

Strongest dorsiflexion of anterior leg

A

Tibialis Anterior

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40
Q

The medial plantar Artery runs between…

A

Layers 1 and 2, distally between abductor hallucis and flexor digitorium brevis

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41
Q

The _____ artery turns medially at the base of the 5th metatarsal and heads between the 3rd and 4th layers to the base of the first metatarsal as the ____.

A

Lateral plantar artery

Plantar arch

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42
Q

Flexor hallucis brevis Innervation

A

Medial plantar nerve

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43
Q

Dorsal interossei action

A

Adductor from line of second toe

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44
Q

Plantaris Insertion

A

Calcaneus

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45
Q

Deep peroneal/fibular nerve spinal origin

A

L4, L5 or S1

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46
Q

Flexor hallucis longus action

A

Flexion of hallux and plantarflexion foot

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47
Q

Peroneus brevis Origin

A

Distal end fibula

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48
Q

Flexor hallucis longus Innervation

A

Tibial nerve

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49
Q

Adductor hallucis Innervation

A

Lateral plantar nerve

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50
Q

Peroneus Tertius Origin

A

Distal end of fibula

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51
Q

Flexor hallucis longus Origin

A

Fibula

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52
Q

Flexor digitorium longus Origin

A

Tibia

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53
Q

What nerve provides cutaneous Innervation to the lateral side of the dorsum of the foot?

A

Superficial peroneal nerve and sural nerve. If

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54
Q

Flexor hallucis brevis action

A

Flexes great toe

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55
Q

Tibialis Anterior Origin

A

Superior 2/3 lateral surface of tibia

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56
Q

Tibialis Posterior action

A

Inversion and plantarflexion foot

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57
Q

Flexor digiti quinti action

A

Flex little toe

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58
Q

Plantar Innervation

A

Tibial nerve

59
Q

Popliteus Origin

A

Upper end tibia

60
Q

Flexor digitorium brevis Innervation

A

Medial plantar nerve (S2, S3)

61
Q

The _____ compartment of the leg does not have an artery.
The ______ supplies proximally penetrating the anterior intermuscular septum. The ________ supplies inferiorly penetrating the posterior intermuscular septum.

A

Lateral
Perforating branches of the anterior tibial artery.
Perforating branches of peroneal artery.

62
Q

Tibialis Posterior Innervation

A

Tibial nerve

63
Q

What nerve provides cutaneous Innervation to medial side of dorsum of foot?

A

Saphenous nerve

64
Q

Gastrocnemius Origin

A

Lateral head: lateral condyle femur

Medial head: medial condyle femur

65
Q

What nerve provides sensory to medial sole and medial 3 1/2 digits?

A

Medial plantar nerve

66
Q

Abductor hallucis Innervation

A

Medial plantar nerve (S2, S3)

67
Q

Peroneus longus Insertion

A

Base of 1st metatarsal and medial cuneiform

68
Q

Anterior compartment of leg is supplied by the _______ artery, and innervated by the _________.

A

Anterior tibial artery

Deep peroneal nerve

69
Q

This structure acts as a strong tie for the longitudinal arches of the foot

A

Plantar aponeurosis

70
Q

Gastrocnemius Insertion

71
Q

Peroneus brevis Insertion

A

Base of 5th metatarsal

72
Q

Flexor hallucis brevis Insertion

A

Proximal phalanx of big toe

73
Q

Peroneus longus Innervation

A

Superficial peroneal

74
Q

Flexor digitorium longus Innervation

A

Tibial nerve

75
Q

Third layer of muscles in foot

A

Flexor hallucis brevis
Flexor digiti quinti
Adductor hallucis

76
Q

Peroneus brevis action

A

Eversion and plantarflexion of foot

77
Q

Tibialis Anterior Innervation

A

Deep peroneal (L4,L5)

78
Q

Soleus action

A

Plantarflexion foot

79
Q

Superficial peroneal/fibular nerve Origin

A

L5, S1, S2

80
Q

Flexor digiti quinti Origin

A

Base of 5th metatarsal

81
Q

Popliteus Innervation

A

Tibial nerve

82
Q

Abductor hallucis Origin

83
Q

Dorsalis pedis Artery is the continuation of the _____.

A

Anterior tibial artery

84
Q

Supplies skin of first interdigit space

A

Deep peroneal n.

85
Q

A lesion on the deep peroneal nerve results in…

A

Footdrop. Inability to dorsiflex ankle

86
Q

Supplies the skin of the posterior and lateral aspects of leg and foot.

87
Q

Tibialis Anterior Action

A

Dorsiflexion and inversion of foot

88
Q

Flexor digitorium brevis Insertion

A

Middle phalanges of lateral four toes

89
Q

Extensor digitorium longus Insertion

A

Middle and distal phalanges of lateral four toes

90
Q

Lumbricals Origin

A

Tendons of the flexor digitorium longus

91
Q

Plantar interossei action

A

Adduct to line of 2nd toe

92
Q

Flexor digitorium longus action

A

Flexion digits 2-5, plantarflexion foot

93
Q

The _____ artery supplies the medial side of the sole

A

Medial plantar artery

94
Q

Abductor digiti quinti Insertion

A

Proximal phalanx

95
Q

Plantaris Origin

A

Lateral condyle femur

96
Q

Quadratus plantae Origin

97
Q

Muscles of the anterior leg are _____of the digits.

98
Q

The dorsalis pedis Artery divides into _______ and ________

A

Deep plantar Artery and arcuate Artery

99
Q

Second layer of plantar muscles

A

Quadratus plantae
Lumbricals
Flexor digitorium longus tendon
Flexor hallucis longus tendon

100
Q

Abductor digiti quinti action

A

Abduct and flex little toe (MTP)

101
Q

Extensor hallucis brevis Innervation

A

Deep peroneal (L4, L5)

102
Q

Soleus Origin

A

Posterior surface of fibula and tibia

103
Q

Flexor digitorium brevis action

A

Flexes toes (MTP and PIP joints)

104
Q

Lumbricals action

A

Flexes MPJ/MTP and extends the proximal IPJ of the lateral four toes

105
Q

Adductor hallucis Origin

A

Oblique head: base of 2nd, 3rd, and 4th metatarsals

Transverse head: plantar ligaments of lateral four MPJ

106
Q

Peroneus Tertius Insertion

A

Base of 5th metatarsal

107
Q

Tibialis Anterior Insertion

A

Medial cuneiform and base of first metatarsal

108
Q

Peroneus Tertius Innervation

A

Deep peroneal (L4, L5)

109
Q

Tibial n Origin

110
Q

Plantar interossei Insertion

A

Medial sides of proximal phalanges of 3rd-5th digits and extensor expansions

111
Q

Foot drop is injury to _____ nerve

A

Common peroneal

112
Q

Binds the tendons of the anterior compartment muscles before and after they cross the ankle joint.

A

Superior and Inferior Extensor Retinaculum

113
Q

Flexor hallucis brevis Origin

A

Cuboid and lateral cuneiform

114
Q

The _____artery gives rise to the digital arteries for digits 2-5.

A

Arcuate artery

115
Q

Inferior extensor retinaculum

A

Y-shaped band if deep fascia
Attaches laterally to the anterosuperior surface of calcaneus.
Forms strong loop around tendons of the fibularis tertius and extensor digitorium longus muscles.

116
Q

Lateral compartment of leg is innervated by…

A

Superficial peroneal nerve (L5, S1, S2)

117
Q

Tibialis Posterior Insertion

A

Navicular, cuneiform, cuboid, and base of 2-4 metatarsal

118
Q

Dorsal interossei Origin

A

Adjacent sides of the two metatarsals

119
Q

Tibialis Posterior Origin

A

Tibia, fibula and interosseus membrane

120
Q

Dorsal interossei Insertion

A

Medial side of 2nd digit, and lateral side of digits 2-4

121
Q

Lumbricals Innervation

A

Medial one: medial plantar nerve

Lateral 3: lateral plantar nerve

122
Q

Lateral compartment of leg muscles

A

Peroneus longus

Peroneus brevis

123
Q

Extensor digitorium brevis Insertion

A

Long extensor tendons of digits 2-4

124
Q

Extensor digitorium brevis action

A

Extension of digits 2-4

125
Q

Anterior compartment of leg muscles

A

Tibialis Anterior
Extensor Digitorum Longus
Extensor Hallucis Longus
Peroneus Tertius

126
Q

Extensor hallucis brevis Origin

127
Q

Flexor digitorium longus tendon Insertion

A

Distal phalanx of lateral four digits

128
Q

Peroneus longus action

A

Eversion and plantarflexion of foot

129
Q

Supplies skin on the distal third of anterior surface of leg and dorsum of foot.

A

Superficial peroneal n.

130
Q

Abductor hallucis Insertion

A

Proximal phalanx

131
Q

Extensor hallucis brevis action

A

Extension of toes

132
Q

Extensor hallucis brevis Insertion

A

Base of proximal phalanx of hallux

133
Q

Dorsal interossei Innervation

A

Lateral plantar nerve

134
Q

Abductor hallucis action

A

Abduct and flex hallux (MTP joint)

135
Q

Flexor digiti quinti Insertion

A

Proximal phalanx of big toe

136
Q

The _______ nerve supplies the FL and FB and then continues as a cutaneous nerve supplying the skin on the ______ surface of the leg and nearly all of the _______.

A

Superficial peroneal nerve (L5, S1, S2)
Anterior
Dorsum of foot.

137
Q

Sural n. originates from:

A

Tibial and common peroneal n.

138
Q

Soleus Insertion

139
Q

Extensor digitorium brevis Origin

140
Q

Flexor digitorium brevis Origin

141
Q

What nerve provides sensory to the lateral sole and lateral 1 1/2 digits?

A

Lateral plantar nerve

142
Q

First layer of plantar muscles

A

Abductor hallucis
Flexor digitorium brevis
Abductor digiti quinti

143
Q

Saphenous n. originates from ______ and descends through ______.

A

Femoral n.

Adductor canal

144
Q

Gastrocnemius action

A

Plantarflexion foot, knee/leg flexion

Anat1 (5 decks)

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