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Anatomy > Spring Unit 1 > Flashcards

Spring Unit 1 Flashcards

1
Q

Fibularis longus origin

A

head and lateral surface of proximal fibula

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2
Q

fibularis longus insertion

A

base of 1st metatarsal medial cuneiform

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3
Q

fibularis longus action

A

platarflexion of talocrural joint in the horizontal axis and eversion of subtalar joint in the A-P axis

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4
Q

fibularis longus innervation

A

superficial fibular nerve L5-S1

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5
Q

fibularis brevis origin

A

lateral surface of distal fibula

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6
Q

fibularis brevis insertion

A

tuberosity of the base of the 5th metatarsal

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7
Q

fibularis brevis action

A

plantarflexion of talocrural joint in the horizontal axis and eversion of the subtalar joint in the A-P axis

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8
Q

fibularis brevis innervation

A

superficial fibular nerve L5-S1

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9
Q

tibialis anterior origin

A

lateral tibial condyle superior half of lateral surface of tibia interosseous membrane crural fascia

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10
Q

tibialis anterior insertion

A

middle and inferior surface of medial cuneiform. base of 1st metatarsal

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11
Q

tibialis anterior action

A

dorsiflexion of talocrural joint in the sagittal plane and inversion of subtalar joint in the A-P plane

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12
Q

tibialis anterior innervation

A

deep fibular nerve L4-L5

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13
Q

extensor hallucis longus origin

A

middle part of the anterior surface of the fibula and interosseous membrane

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14
Q

extensor hallucis longus insertion

A

dorsal aspect of the base of the distal phalanx of the 1st digit

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15
Q

extensor hallucis longus action

A

dorsiflexion of the talcrural joint and extension of the 1st digit (MTP) in the horizontal axis, and eversion of the subtalar joint in the A-P axis

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16
Q

extensor hallucis longus innervation

A

deep fibular nerve L4-L5

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17
Q

extensor digitorum longus origin

A

lateral condyle of tibia, head and anterior margin of fibula interosseous membrane

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18
Q

extensor digitorum longus insertion

A

dorsal surface of the middle and distal phalanges of digits 2-5

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19
Q

extensor digitorum longus action

A

dorsiflexion of talocrural joint and extension of digits 2-5 in the sagittal plane, and eversion of the subtalar joint in the A-P axis

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20
Q

extensor digitorum longus innervation

A

deep fibular nerve L4-L5

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21
Q

fibularis tertius origin

A

anterior surface of the distal 1/3 of the fibula and interosseous membrane

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22
Q

fibularis tertius insertion

A

dorsal aspect of the base (shaft) of the 5th metatarsal

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23
Q

fibularis tertius action

A

dorsiflexion of the talcrural joint in the horizontal axis and eversion of the subtalar joint in the A-P axis. May have proprioceptive fibers to help prevent ATFL damage- aids in resisting INV forces

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24
Q

fibularis tertius innervation

A

deep fibular nerve L4-L5

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25
Q

extensor digitorum brevis origin

A

floor of the tarsal sinus of the calcaneus

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26
Q

extensor digitorum brevis insertion

A

dorsal aspect of middle phalanges of digits 2-4

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27
Q

extensor digitorum brevis action

A

extension of digits 2-4 (MTP) with aid from extensor digitorum longus

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28
Q

extensor digitorum brevis innervation

A

branches of deep fibular nerve L5-S1

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29
Q

extensor hallucis brevis origin

A

floor of the tarsal sinus of the calcaneus

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30
Q

extensor hallucis brevis insertion

A

dorsum of base of proximal phalanx of 1st digit

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31
Q

extensor hallucis brevis action

A

extension of the 1st digit at MTP

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32
Q

extensor hallucis brevis innervation

A

branches of deep fibular nerve L5-S1

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33
Q

gastrocnemius medial head origin

A

popliteal surface of femur superior aspect of medial femoral condyle

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34
Q

gastrocnemius lateral head origin

A

superior aspect of lateral femoral condyle

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35
Q

gastrocnemius insertion

A

dorsum of calcaneus via calcaneal tendon

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36
Q

gastrocnemius medial head action

A

plantarflexion of talocrural joint in the horizontal axis when the knee is extended

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37
Q

gatrocnemius lateral head action

A

flexion of the knee in the sagittal plane

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38
Q

gastrocnemius innervation

A

tibial nerve S1-S2

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39
Q

soleus origin

A

posterior surface of the proximal fibula, soleal line of the tibia

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40
Q

soleus insertion

A

dorsum of calcaneus via calcaneal tendon

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41
Q

soleus action

A

plantarflexion of talocrural joint in the horizontal axis

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42
Q

soleus innervation

A

tibial nerve S1-S2

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43
Q

plantaris origin

A

lateral supracondylar line of the femur

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44
Q

plantaris insertion

A

dorsum of calcaneus via calcaneal tenon (just medial to calcaneal tendon)

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45
Q

plantaris action

A

plantar flexion of talocrural joint in the horizontal axis and flexion of the knee in the sagittal plane. proprioception of the muscles of the leg

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46
Q

plantaris innervation

A

tibial nerve S1-S2

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47
Q

tibialis posterior origin

A

interosseous membrane, interosseous margin of tibia and fibula, posterior surface of tibia inferior to soleal line

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48
Q

tibialis posterior insertion

A

tuberosity of navicular, all 3 cuneiforms, bases of metatarsals 2-4 sustentaculum tali axis (recurrent branch) cuboid (sometimes)

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49
Q

tibialis posterior action

A

plantar flexion of talcrural joint in the horizontal axis, inversion of subtalar joint in the A-P axis. fixes the medial longitudinal arch during weight bearing

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50
Q

tibialis posterior innervation

A

tibial nerve L4-L5

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51
Q

flexor digitorum longus origin

A

middle 1/3 of the posterior surface of the tibia inferior to the soleal line

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52
Q

flexor digitorum longus insertion

A

plantar aspect of bases of distal phalanges 2-5

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53
Q

flexor digitorum longus action

A

plantar flexion of talocrural joint in the horizontal axis, flexion of digits 2-5 in the sagittal plane

54
Q

flexor digitorum longus innervation

A

tibial nerve S2-S3

55
Q

flexor hallucis longus origin

A

distal 2/3 of posterior surface of fibula and interosseous membrane

56
Q

flexor hallucis longus insertion

A

plantar aspect of base of distal phalanx of 1st digit

57
Q

flexor hallucis longus action

A

plantar flexion of talocrural joint in the horizontal axis, inversion of subtalar joint in the A-P axis, flexion of the 1st digit (MTP)

58
Q

flexor hallucis longus innervation

A

tibial nerve S2-S3

59
Q

abductor hallucis origin

A

medial plantar calcaneal tubercle

60
Q

abductor hallucis insertion

A

medial aspect of base of proximal phalanx of 1st digit

61
Q

abductor hallucis action

A

abduction of 1st digit, flexion of 1st digit maintain the MLA

62
Q

abductor hallucis innervation

A

medial plantar nerve S2-S3

63
Q

abductor digiti minimi origin

A

medial and lateral sides of calcaneal tuberosity and plantar aponeurosis

64
Q

abductor digiti minimi insertion

A

lateral aspect of base of proximal phalanx of 5th digit

65
Q

abductor digiti minimi action

A

abduction of 5th digit, flexion of MTP joint

66
Q

abductor digit minimi innervation

A

lateral plantar nerve S2-S3

67
Q

flexor digitorum brevis origin

A

calcaneal tuberosity plantar aponeurosis

68
Q

flexor digitorum brevis insertion

A

plantar aspect of base of middle phalanges of digits 2-5

69
Q

flexor digitorum brevis action

A

flexion of MTPs and PIPs of digits 2-5

70
Q

flexor digitorum brevis innervation

A

medial plantar nerve S2-S3

71
Q

quadratus plantae origin

A

anterior calcaneus (medial and lateral margins) long plantar ligament

72
Q

quadratus plantae insertion

A

tendon of flexor digitorum longus

73
Q

quadratus plantae action

A

assist in flexion of digits 2-5, realigns the pull of the FDL tendon

74
Q

quadratus plantae innervation

A

lateral plantar nerve S2-S3

75
Q

Flexor hallucis brevis medial head origin

A

spring ligament medial aspect of the 1st metatarsal

76
Q

flexor hallucis brevis medial head origin

A

medial aspect of base of proximal phalanx of 1st digit

77
Q

flexor hallucis brevis medial head action

A

flexion of 1st MTP

78
Q

flexor hallucis brevis medial head innervation

A

medial plantar nerve S2-S3

79
Q

flexor hallucis brevis lateral head origin

A

cuboid lateral cuneiform

80
Q

flexor hallucis brevis lateral head insertion

A

lateral aspect of base of proximal phalanx of 1st digit

81
Q

flexor hallucis brevis lateral head action

A

flexion of 1st MTP

82
Q

flexor hallucis brevis lateral head innervation

A

medial plantar nerve S2-S3

83
Q

flexor digiti minimi origin

A

plantar aspect of base of 5th metatarsal, long plantar ligament

84
Q

flexor digiti minimi insertion

A

base of proximal phalanx of 5th digit

85
Q

flexor digiti minimi action

A

flexion of 5th MTP

86
Q

flexor digiti minimi innervation

A

lateral plantar nerve S2-S3

87
Q

semimembranosus origin

A

ischial tuberosity

88
Q

semimembranosus insertion

A

posterior aspect of medial tibial condyle, oblique popliteal ligament

89
Q

semimembranosus action

A

extension of hip flexion, of knee internal rotation of knee in flexed position

90
Q

semimembranosus innervation

A

tibial division of sciatic nerve L5-S2

91
Q

semitendinosus origin

A

ischial tuberosity

92
Q

semitendinosus insertion

A

medial surface of superior part of tibia (pes anserinus 3rd)

93
Q

semitendinosus action

A

extension of hip, flexion of knee, internal rotation of knee in flexed position

94
Q

semitendinosus innervation

A

tibial division of sciatic nerve L5-S2

95
Q

gracilis origin

A

pubic symphysis, inferior pubic ramus

96
Q

gracilis insertion

A

medial surface of tibia (pes anserinus 2nd)

97
Q

gracilis action

A

adduction of hip, flexion of knee, and internal rotation of knee when flexed

98
Q

gracilis innervation

A

anterior division of obturator nerve L2-L3

99
Q

Sartorius origin

A

anterior superior iliac spine (ASIS)

100
Q

sartorius insertion

A

medial surface of tibia (pes anserinus 1st)

101
Q

sartorius action

A

flexion of hip, abduction of hip, external rotation of hip, flexion of knee, and internal rotation of tibia when knee is flexed, flexion of knee

102
Q

sartorius innervation

A

muscular branches of femoral nerve L2-L3

103
Q

bicep femoris long head origin

A

ischial tuberosity

104
Q

biceps femoris short head origin

A

lateral lip of the linea aspera of femur

105
Q

biceps femoris insertion

A

lateral aspect of the head of the fibula

106
Q

biceps femoris long head action

A

flexion of the knee

107
Q

biceps femoris short head action

A

external rotation of the knee and extension of hip

108
Q

biceps femoris long head innervation

A

tibial division of sciatic nerve L5-S2

109
Q

biceps femoris short head innervation

A

common fibular division of sciatic nerve L5-S2

110
Q

adductor magnus ischiocondylar (hamstring) part origin

A

ischial tuberosity

111
Q

adductor magnus ischiocondylar (hamstring) part insertion

A

adductor tubercle

112
Q

adductor magnus ischiocondylar (hamstring) part action

A

extension of hip

113
Q

adductor magnus ischiocondylar (hamstring) part innervation

A

tibial part of sciatic nerve L4

114
Q

popliteus origin

A

lateral surface of the lateral femoral condyle, and lateral meniscus

115
Q

popliteus innervation

A

posterior surface of tibia superior to soleal line

116
Q

popliteus action

A

flexion of the knee in the sagittal plane, external rotation of the femur (transverse, CKC) screwhome mechanism internal rotation of the tibia (OKC, transverse) draw lateral meniscus and femur posteriorly in knee flexion

117
Q

popliteus innervation

A

tibial nerve L4-S1

118
Q

plantar interossei (1st, 2nd, 3rd) unipennate insertion

A

bases and medial aspects of digits 3-5

119
Q

plantar interossei (1st, 2nd, 3rd) unipennate action

A

flexion of the MTPs and extension of IPs of digits 3-5 adduction of digits 3-5

120
Q

dorsal interossei (1st, 2nd, 3rd, and 4th) bipennate insertion

A

1st DAB- medial surface if proximal phalanx of digit 2.
2-4th DAB lateral sides of digits 2-4

121
Q

dorsal interossei (1st, 2nd, 3rd, and 4th) bipennate action

A

flexion of MTP and extension of IPs of digits 2-4, abduction of digits 2-4

122
Q

lumbricals origin

A

tendon of flexor digitorum longus

123
Q

lumbricals insertion

A

medial aspects of extensor expansion

124
Q

lumbricals action

A

flexion of proximal phalanges of digits 2-5 aid in extension of middle and distal phalanges 2-5

125
Q

lumbricals innervation

A

lumbrical most medial- medial plantar nerve
lateral 3 lumbricals- lateral plantar nerve

126
Q

adductor hallucis oblique head origin

A

plantar aspects of bases 2-4 metatarsals tendon of fibularis longus

127
Q

adductor hallucis transverse head origin

A

plantar ligaments of MTP joints, deep transverse metatarsal ligament

128
Q

adductor hallucis insertion

A

lateral aspect of base of proximal phalanx of 1st digit

129
Q

adductor hallucis action

A

adducts 1st digit at MTP joint

130
Q

adductor hallucis innervation

A

deep branch of lateral plantar nerve S2-S3

Anatomy (22 decks)

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