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External BOC Material > Muscles of the Lower Extremity > Flashcards

Muscles of the Lower Extremity Flashcards

1
Q

adductor brevis origin

A

anterior surface of the inferior pubic ramus

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2
Q

adductor brevis insertion

A

proximal 1/3 of the linea aspera of the femur

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3
Q

adductor brevis innervation

A

obturator nerve

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4
Q

adductor longus origin

A

anterior surface of the body of the pubis

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5
Q

adductor longus insertion

A

middle 1/3 of the linea aspera of the femur

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6
Q

adductor longus innervation

A

obturator nerve

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7
Q

adductor magnus, anterior (adductor head) origin

A

ischial ramus

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8
Q

adductor magnus anterior (adductor head) insertion

A

entire linea aspera of the femur

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9
Q

adductor magnus, anterior (adductor head) innervation

A

obturator nerve

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10
Q

adductor magnus posterior (extensor head) origin

A

ischial tuberosity

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11
Q

adductor magnus posterior (extensor head) insertion

A

adductor tubercle on femur

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12
Q

adductor magnus posterior (extensor head) innervation

A

tibial protion of sciatic nerve

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13
Q

articularis genu origin

A

anterior surface of the distal femoral shaft

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14
Q

articularis genu insertion

A

proximal capsule of the knee

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15
Q

articularis genu innervation

A

femoral nerve

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16
Q

biceps femoris long head origin

A

from a common tendon with the semitendinosus; originiating from the medial impression on the posterior surface of the ischial tuberosity and part of the sacrotuberous ligament

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17
Q

biceps femoris long head insertion

A

head of the fibula

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18
Q

biceps femoris long head innervation

A

tibial portion of the sciatic nerve

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19
Q

biceps femoris short head origin

A

lateral lip of the linea aspera below the gluteal tuberosity

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20
Q

biceps femoris short head insertion

A

head of the fibula

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21
Q

biceps femoris short head innervation

A

common peroneal portion of the sciatic nerve

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22
Q

gemellus inferior origin

A

tuberosity of the ischium

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23
Q

gemellus inferior insertion

A

blends with the tendon of the obturator internus

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24
Q

gemellus inferior innervation

A

nerve to the quadratus femoris

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25
Q

gemellus superior origin

A

dorsal surface of the ischial spine

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26
Q

gemellus superior insertion

A

blends with the tendon of the obturator internus

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27
Q

gemellus superior innervation

A

nerve to the obturator internus

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28
Q

gluteus maximus origin

A

outer ilium, posterior gluteal line, aponeurosis of the erector spinae & gluteus medius muscles, posterior side of sacrum & coccyx & part of sacrotuberous & posterior sacro-iliac ligaments

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29
Q

gluteus maximum insertion

A

gluteal tuberosity & iliotibial band

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30
Q

gluteus maximum innervation

A

superior gluteal nerve

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31
Q

gluteus minimus origin

A

outer surface of the ilium between the anterior & inferior gluteal lines, as far posterior as the greater sciatic notch

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32
Q

gluteus minimus insertion

A

anterior aspecto of the greater trochanter

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33
Q

gluteus minimus innervation

A

superior gluteal nerve

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34
Q

gracilis origin

A

anterior aspect of lower body of pubis & inferior ramus of pubis

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35
Q

gracilis insertion

A

proximal medial surface of the tibia just posteriior to the upper end of the attachment of the sartorius

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36
Q

gracilis innervation

A

obturator nerve

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37
Q

iliopsoas (psoas major) origin

A

transverse processes & lateral bodies of the last thoracic & all lumbar vertebrae including the intervertebral discs

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38
Q

iliopsoas (psoas major) insertion

A

lesser trochanter of the femur

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39
Q

iliopsoas (iliacus) origin

A

superior 2/3 oif the iliac fossa, inner lip of the iliac crest, & small region of the sacrum across the sacroiliac joint

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40
Q

iliopsoas (iliacus) insertion

A

lesser trochanter of the femur vis the lateral side of the psoas major tendon

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41
Q

iliopsoas (iliacus) innervation

A

femoral nerve

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42
Q

obturator externus origin

A

external surface of the obturator membrane & surrounding external surfaces of the inferior pubic ramus & ischial ramus

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43
Q

obturator externus insertion

A

medial surface of the greater trochanter at the trochanteric fossa

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44
Q

obturator externus innervation

A

obturator nerve

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45
Q

obturator internus origin

A

internal side of teh obturator membrane & immediately surrounding surfaces of the inferior pubic ramus & ischial ramus; bony attachments extend superiorly within the pelvis to teh greater sciatic notch

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46
Q

obturator internus insertion

A

medial surface of the greater trochanter just anterior & superior to the trochanteric fossa

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47
Q

obturator internus innervation

A

nerve to the obturator internus

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48
Q

pectineus origin

A

pectineal line on superior pubic ramus

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49
Q

pectineus insertion

A

pectineal (spiral) line on the posterior surface of the femur

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50
Q

pectineus innervation

A

femoral nerve & occasionally a brach from the obturator nerve

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51
Q

piriformis origin

A

anterior side of the sacrum between the sacral formaina; blends partially with the capsule of the sacroliliac joint

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52
Q

piriformis insertion

A

apex of the greater trochanter

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53
Q

piriformis innervation

A

nerve to the piriformis

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54
Q

politeus origin

A

by an intracapsular tendon that attaches to the lateral aspect of the lateral femoral condyle

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55
Q

politeus insertion

A

posterior surface of the proximal tibia, above the soleal line

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56
Q

politeus innervation

A

tibial nerve

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57
Q

psoas minor origin

A

transverse processes & lateral bodies of the last thoracic & the first lumbar vertebrae including the intervertebral disc

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58
Q

psoas minor insertion

A

pubis near the pectineal line

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59
Q

psoas minor innervation

A

femoral nerve

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60
Q

quadratus femoris origin

A

lateral surface of the ischial tuberosity just anterior to the attachments of the semimembranosus

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61
Q

quadratus femoris insertion

A

quadrate tubercle (middle of intertrochanteric crest)

62
Q

quadratus femoris innervation

A

nerve to the quadratus femoris

63
Q

rectus femoris origin

A

straight tendon: anterior-inferior iliac spine, and reflected tendon: groove around the superior rim of the acetabulum & into the capsuel of the hip

64
Q

rectus femoris insertion

A

base of the patella &, via ligamentum patella, to the tibial tuberosity

65
Q

rectus femoris innervation

A

femoral nerve

66
Q

sartorius origin

A

anterior-superior iliac spine

67
Q

sartorius insertion

A

along a line on the proximal medial surface of the tibia

68
Q

sartorius innervation

A

femoral nerve

69
Q

semimembranosus origin

A

lateral impression on the posterior surface of the ischial tuberosity

70
Q

semimembranosus insertion

A

posterior aspect of the medial condyle of the tibia. additional attachments include the medial collateral ligament, oblique popliteal ligament, and popliteus muscle

71
Q

semimembranosus innervation

A

tibial portion of the sciatic nerve

72
Q

semitendinosus origin

A

from a common tendon with the long head of the biceps femoris originating from a medial impression on the posterior surface of the ischial tuberosity & part of the sacrotuberous ligament

73
Q

semitendinosus insertion

A

proximal medial surface of the tibia just posterior to the lower end of the attachment of the sartorius

74
Q

semitendinosus innervation

A

tibial protion of the sciatic nerve

75
Q

tensor fasciae lata origin

A

outer surface of the iliac crest just posterior to the anterior-superior iliac spine

76
Q

tensor fasciae lata insertion

A

proximal 1/3 of the iliotibial band of the fascia lata

77
Q

tensor fasciae lata innervation

A

superior gluteal nerve

78
Q

vastus intermedius origin

A

anterior-lateral regions of the upper 2/3 of the femoral shaft

79
Q

vastus intermedius insertion

A

medial capsule, base of th patella, & via ligamentum patella, to the tibial tuberosity

80
Q

vastus intermedius innervation

A

femoral nerve

81
Q

vastus lateralis origin

A

upper region of intertrochanteric line, anterior & inferior border of the greater trochanter, lateral region of the gluteal tuberosity, lateral lip of the linea aspera

82
Q

vastus lateralis insertion

A

lateral capsule, base of the patella, and via ligamentum patella, to the tibial tuberosity

83
Q

vastus lateralis innervation

A

femoral nerve

84
Q

vastus medialis origin

A

lower region of intertrochanteric liine, medial lip of linea aspera, proximal medial supracondylar line, fibers from adductor magnus

85
Q

vastus medialis insertion

A

medial capsule, base of the patella & via ligamentum patella, to the tibial tuberosity

86
Q

vastus medialis innervation

A

femoral nerve

87
Q

extensor digitorum longus origin

A

lateral condyle of tibia, proximal 2/3 of the medial surface of the fibula, & adjacent interosseous membrane

88
Q

extensor digitorum longus insertion

A

by four tendons that attach to the proximal base of the dorsal surface of the middle & distal phalanges via the dorsal digital expansion

89
Q

extensor digitorum longus innervation

A

deep branch of the peroneal nerve

90
Q

extensor hallucis longus origin

A

middle section of the medial surface of the fibula & adjacent interosseous membrane

91
Q

extensor hallucis longus insertion

A

dorsal base of the distal phalanx of the great tow

92
Q

extensor hallucis longus innervation

A

deep branch of the peroneal nerve

93
Q

flexor digitorum longus origin

A

posterior surface of the middle 1/3 of the tibia just medial to the proximal attachment of the tibialis posterior

94
Q

flexor digitorum longus insertion

A

plantar surface of the base of the distal phalanx of the great toe

95
Q

flexor digitorum longus innervation

A

tibial nerve

96
Q

flexor hallucis longus origin

A

distal 2/3 of most of the posterior surface of the fibula

97
Q

flexor hallucis longus insertion

A

plantar surface of the base of the distal phalanx of the great toe

98
Q

flexor hallucis longus innervation

A

tibial nerve

99
Q

gastrocnemius origin

A

by 2 seperate heads from the posterior aspect of the lateral & medial femoral condyle

100
Q

gastrocnemius insertion

A

calcaneal tuberosity via the achilles tendon

101
Q

gastrocnemius innervation

A

tibial nerve

102
Q

peroneus brevis origin

A

distal 2/3 of the lateral surface of the fibula

103
Q

peroneus brevis insertion

A

styloid process of the fifth metatarsal

104
Q

peroneus brevis innervation

A

superficial branch of the peroneal nerve

105
Q

peroneus longus origin

A

head & proximal 2/3 of the lateral surface of the fibula

106
Q

peroneus longus insertion

A

lateral surface of the medial cuneiform & lateral side of the base of first metatarsal bone

107
Q

peroneus longus innervation

A

superficial brnahc of hte peroneal nerve

108
Q

peroneus tertius origin

A

distal 1/3 of the medial surface of the fibula & adjacent interosseous membrane

109
Q

peroneus tertius insertion

A

dorsal surface of the base of the fifth metatarsal

110
Q

peroneus tertius innervation

A

deep branch of the peroneal nerve

111
Q

plantaris origin

A

most inferior part of lateral supracondylar line of the femur & oblique popliteal ligament of the knee

112
Q

plantaris insertion

A

joins the medial aspect of achilles tendon to insert on the calcaneal tuberosity

113
Q

plantaris innervation

A

tibial nerve

114
Q

soleus origin

A

posterior surface of the fibula head & proximal 1/3 of its shaft & from the posterior side of the tibia near the soleal line

115
Q

soleus insertion

A

calcaneal tuberosity via the achilles tendon

116
Q

soleus innervation

A

tibial nerve

117
Q

tibialis anterior origin

A

lateral condyle & proximal 2/3 of the lateral surface of the tibia & the interosseous membrane

118
Q

tibialis anterior insertion

A

medial & plantar aspects of the medial cuneiform & the base of the first metatarsal

119
Q

tibialis anterior innervation

A

deep branch of the peroneal nerve

120
Q

tibialis posterior origin

A

proximal 2/3 of posterior surface of the tibia & fibula & adjacent interosseous membrane

121
Q

tibialis posterior insertion

A

tendon attaches to every tarsal bone but the talus plus the bases of the second through the fourth metatarsal bones. the main insertion is on the navicular tuberosity & the medial cuneiform bone

122
Q

tibialis posterior innervation

A

tibial nerve

123
Q

extensor digitorum brevis origin

A

lateral-distal aspect of the calcaneus just proximal to the calcaneocuboid joint

124
Q

extensor digitorum brevis insertion

A

by 3 tendons that blend with the tendons of the extensor digitorum longus of the second through fifth toes. a 4th tendon inserts on the dorsal base of the proximal phalanx of the great toe

125
Q

extensor digitorum brevis innervation

A

deep branch of the peroneal nerve

126
Q

abductor digiti minimi origin

A

medial & lateral processes of the calcaneal tuberosity, plantar aponeurosis, & plantar surface of the base of the fifth metatarsal bone with flexor digiti minimi

127
Q

abductor digiti minimi insertion

A

lateral side of the proximal phalanx of the 5th toe sharing an attachment with the flexor digiti minimi

128
Q

abductor digiti minimi innervation

A

lateral plantar nerve

129
Q

abductor hallucis origin

A

flexor retinaculum, medial process of the calcaneus & plantar fascia

130
Q

abductor hallucis insertion

A

medial side of the base of proximal phalanx of the hallux sharing an attachment with the medial tendon of the flexor hallucis brevis

131
Q

abductor hallucis innervation

A

medial plantar nerve

132
Q

flexor digitorum brevis origin

A

medial process of calcaneal tuberosity & central part of the plantar fascia

133
Q

flexor digitorum brevis insertion

A

each of 4 tendons inserts on the sides of the plantar aspect of the base of the middle phalanx of the lesser toes

134
Q

flexor digitorum brevis innervation

A

medial plantar nerve

135
Q

lumbricals origin

A

from the tendons of the flexor digitorum longus muscle

136
Q

lumbricals insertion

A

each muscle crosses the medial side of each metatarsophalangeal joint to insert into the dorsal digital expansion of the 4 lesser toes

137
Q

lumbricals innervation

A

to second toe - medical plantar nerve; to 3rd through 5th toes - lateral plantar nerve

138
Q

quadratus plantae origin

A

by 2 heads from the medial & lateral aspect of the plantar surface of the calcaneus, distal to the calcaneal tuberosity

139
Q

quadratus plantae insertion

A

lateral border of the flexor digitorum longus common tendon

140
Q

quadraus plantae innervation

A

lateral plantar nerve

141
Q

adductor hallucis oblique head origin

A

plantar aspect of the base of the 2nd through 4th metatarsal & the fibrous sheath of the peroneus longus tendon

142
Q

adductor hallucis transverse head origin

A

plantar aspect of the ligaments that suppor the metatarsophalangeal joints of the 3rd through 5th toes

143
Q

adductor hallucis insertion

A

both heads converge to insert on the lateral base of the proximal phalanx of the great toe along with the lateral tendon of the flexor hallucis brevix

144
Q

adductor hallucis innervation

A

lateral plantar nerve

145
Q

flexor digit minimi origin

A

plantar surface of the base of the 5th metatarsal bone & fibrous sheath covering the tendon of the peroneus longus

146
Q

flexor digit minimi insertion

A

lateral surface of the base of the proximal phalanx of the 5th toe blending with the tendon of the abductor digiti minimi

147
Q

flexor digiti minimi innervation

A

lateral plantar nerve

148
Q

flexor hallucis brevis origin

A

plantar surface of the cuboid & lateral cuneiform bones & from parts of the tendon of the tibialis posterior muscle

149
Q

flexor hallucis brevis insertion

A

by 2 tendons in which the lateral tendon attaches to the lateral base of the proximal phalanx of the great toe with the adductor hallucis; the medial tendon attaches to the medial base of the proximal phalanx of the great toe with the abductor hallucis. a pair of sesamoid boens is located within the tendons of this muscle

150
Q

flexor hallucis brevis innervation

A

medial plantar nerve

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