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Gross Anatomy I > Lower Extremity (Origins, Insertions, Nerve supply and Arteries) > Flashcards

Lower Extremity (Origins, Insertions, Nerve supply and Arteries) Flashcards

1
Q

What is the Origin of Tibialis Anterior?

A

Lateral condyle and superior 1/2 of lateral surface of tibia and interosseous membrane

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2
Q

What is the insertion of Tibialis Anterior?

A

Medial and inferior surfaces of medial cuneiform and base of 1st metatarsal

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3
Q

What is the nerve supply Tibialis Anterior?

A

Deep Fibular

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4
Q

What is the artery supply of Tibialis Anterior?

A

Anterior Tibial

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5
Q

What is the action of Tibialis Anterior?

A

Dorsiflexion and inversion

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6
Q

What is the Origin of Extensor Digitorum Longus?

A

Lateral condyle of tibia and superior 3/4 of medial surface of fibula and interosseous membrane

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7
Q

What is the insertion of Extensor Digitorum Longus?

A

Middle and distal phalanges of later 4 digits

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8
Q

What is the nerve supply Extensor Digitorum Longus?

A

Deep Fibular

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9
Q

What is the artery supply of Extensor Digitorum Longus?

A

Anterior Tibial

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10
Q

What is the action of Extensor Digitorum Longus?

A

Extension of lateral 4 digits and dorsiflexion

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11
Q

What is the Origin of Fibularis Teritius?

A

Inferior 1/3 of anterior surface of fibula and interosseous membrane

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12
Q

What is the insertion of Fibularis Teritius?

A

Dorsum of base of 5thmetatarsal

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13
Q

What is the nerve supply Fibularis Teritius?

A

Deep Fibular

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14
Q

What is the artery supply of Fibularis Teritius?

A

Anterior Tibial

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15
Q

What is the action of Fibularis Teritius?

A

Dorsiflexion and aids in eversion

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16
Q

What is the Origin of Extensor Hallucis Longus?

A

Middle part of anterior surface of fibula and interosseous membrane

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17
Q

What is the insertion of Extensor Hallucis Longus?

A

Dorsal aspect of base o distal phalanx of great toe (hallux)

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18
Q

What is the nerve supply of Extensor Hallucis Longus?

A

Deep Fibular

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19
Q

What is the artery supply of Extensor Hallucis Longus?

A

Anterior Tibial

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20
Q

What is the action of Extensor Hallucis Longus?

A

Extension of great toe and dorsiflexion

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21
Q

What is the Origin of Fibularis Longus?

A

Head and superior 2/3 lateral surface of fibula

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22
Q

What is the insertion of Fibularis Longus?

A

Base of 1st metatarsal and medial cuneiform

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23
Q

What is the nerve supply of Fibularis Longus?

A

Superficial Fibular

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24
Q

What is the artery supply of Fibularis Longus?

A

Perforating branches of fibular and anterior Tibial arteries

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25
Q

What is the action of Fibularis Longus?

A

Eversion and weak plantar flexion

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26
Q

What is the Origin of Fibularis Brevis?

A

Inferior 2/3 of lateral surface of fibula

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27
Q

What is the insertion of Fibularis Brevis?

A

Dorsal surface of tuberosity on lateral side of base of 5th metatarsal

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28
Q

What is the nerve supply of Fibularis Brevis?

A

Superficial Fibular

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29
Q

What is the artery supply of Fibularis Brevis?

A

Perforating branches of fibular and anterior Tibial arteries

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30
Q

What is the action of Fibularis Brevis?

A

Eversion and weak plantar flexion

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31
Q

What is the Origins of Gastrocnemius?

A

Lateral Head - lateral aspect of lateral condyle of femur

Medial head - popliteal surface of femur; superior to medial condyle

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32
Q

What is the insertion of Gastrocnemius?

A

Posterior surface of calcaneus via calcaneal tendon

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33
Q

What is the nerve supply of Gastrocnemius?

A

Tibial

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34
Q

What is the artery supply of Gastrocnemius?

A

Popliteal

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35
Q

What is the action of Gastrocnemius?

A

Plantar flexion with extended knee
Raises heel during walking
Leg flexion

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36
Q

What is the Origins of Soleus?

A

Posterior aspect of head and superior 1/4 of posterior surface of fibula; soleal line, middle 1/3 of medial border of tibia

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37
Q

What is the insertion of Soleus?

A

Posterior surface of calcaneus via calcaneal tendon

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38
Q

What is the nerve supply of Soleus?

A

Tibial

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39
Q

What is the artery supply of Soleus?

A

Popliteal and posterior Tibial arteries

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40
Q

What is the action of Soleus?

A

Plantar flexion independent of position of knee

Steadies leg on foot

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41
Q

What is the Origins of Plantaris?

A

Inferior end of lateral supracondylar line of femur; oblique popliteal l.

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42
Q

What is the insertion of Plantaris?

A

Posterior surface of calcaneus via calcaneal tendon

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43
Q

What is the nerve supply of Plantaris?

A

Tibial

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44
Q

What is the artery supply of Plantaris?

A

Popliteal and posterior Tibial arteries

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45
Q

What is the action of Plantaris?

A

Weak plantarflexion

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46
Q

What is the Origins of Popliteus?

A

Lateral surface of lateral condyle of femur and lateral meniscus

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47
Q

What is the insertion of Popliteus?

A

Posterior surface of tibia, superior to soleal line

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48
Q

What is the nerve supply of Popliteus?

A

Tibial

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49
Q

What is the artery supply of Popliteus?

A

Popliteal

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50
Q

What is the action of Popliteus?

A

Weak flexion of leg
Unlocks knee by rotating femur 5 degrees on fixed tibia
Medially rotates tibia of unplanted limb

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51
Q

What is the Origins of Flexor Hallucis Longus?

A

Inferior 2/3 of posterior surface of fibula

Inferior part of Interosseous membrane

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52
Q

What is the insertion of Flexor Hallucis Longus?

A

Base of distal phalanx of great toe

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53
Q

What is the nerve supply of Flexor Hallucis Longus?

A

Tibial

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54
Q

What is the artery supply of Flexor Hallucis Longus?

A

Fibular

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55
Q

What is the action of Flexor Hallucis Longus?

A

Flexion of great toe at all joints

Weak plantarflexion

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56
Q

What is the Origins of Flexor Digitorum Longus?

A

Medial part of posterior surface of tibia inferior to soleal line
Broad tendon to fibula

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57
Q

What is the insertion of Flexor Digitorum Longus?

A

Base of distal phalanges of lateral 4 digits

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58
Q

What is the nerve supply of Flexor Digitorum Longus?

A

Tibial

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59
Q

What is the artery supply of Flexor Digitorum Longus?

A

Posterior Tibial

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60
Q

What is the action of Flexor Digitorum Longus?

A

Flexion of lateral 4 digits

Plantarflexion

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61
Q

What is the Origins of Tibialis Posterior?

A

Interosseous membrane
Posterior surface inferior to soleal line
Posterior surface of fibula

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62
Q

What is the insertion of Tibialis Posterior?

A 
Tuberosity of navicular
Cuneiform
Cuboid
Sustentaculum tali
Bases of 2nd - 4th metatarsals
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63
Q

What is the nerve supply of Tibialis Posterior?

A

Tibial

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64
Q

What is the artery supply of Tibialis Posterior?

A

Posterior Tibial

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65
Q

What is the action of Tibialis Posterior?

A

Plantarflexion and inversion

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66
Q

What is the Origins of Abductor Hallucis?

A

Medial tubercle of tuberosity of calcaneus
Flexor Retinaculum
Plantar aponeurosis

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67
Q

What is the insertion of Abductor Hallucis?

A

Medial side of base of proximal phalanx of 1st digit

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68
Q

What is the nerve supply of Abductor Hallucis?

A

Medial Plantar

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69
Q

What is the artery supply of Abductor Hallucis?

A

Medial Plantar

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70
Q

What is the action of Abductor Hallucis?

A

Abduction and flexion of great toe (hallux)

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71
Q

What is the Origins of Flexor Digitorum Brevis?

A

Medial tubercle of tuberosity of calcaneus
Plantar aponeurosis
Intermuscular septa

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72
Q

What is the insertion of Flexor Digitorum Brevis?

A

Both sides of middle phalanges of lateral 4 digits

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73
Q

What is the nerve supply of Flexor Digitorum Brevis?

A

Medial Plantar

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74
Q

What is the artery supply of Flexor Digitorum Brevis?

A

Medial Plantar

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75
Q

What is the action of Flexor Digitorum Brevis?

A

Flexion of lateral 4 digits

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76
Q

What is the Origins of Abductor Digiti Minimi?

A

Medial and lateral tubercles of tuberosity of calcaneus
Plantar aponeurosis
Intermuscular Septa

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77
Q

What is the insertion of Abductor Digiti Minimi?

A

Lateral side of base of proximal phalanx of 5th digit

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78
Q

What is the nerve supply of Abductor Digiti Minimi?

A

Lateral Plantar

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79
Q

What is the artery supply of Abductor Digiti Minimi?

A

Lateral Plantar

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80
Q

What is the action of Abductor Digiti Minimi?

A

Abduction and flexion of 5th digit (little toe)

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81
Q

What is the Origins of Abductor Quadratus Plantae?

A

Medial surface and lateral margin of plantar surface of calcaneus

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82
Q

What is the insertion of Quadratus Plantae?

A

Posterolateral margin tendon of Flexor Digitorum Longus

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83
Q

What is the nerve supply of Quadratus Plantae?

A

Lateral Plantar

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84
Q

What is the artery supply of Quadratus Plantae?

A

Lateral Plantar

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85
Q

What is the action of Quadratus Plantae?

A

Assists Flexor Digitorum Longus in flexing lateral 4 digits

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86
Q

What is the Origins of Lumbricals (4)?

A

Individual tendons of Flexor Digitorum Longus

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87
Q

What is the insertion of Lumbricals (4)?

A

Medial aspect of expansion over lateral 4 digits

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88
Q

What is the nerve supply of Lumbricals (4)?

A

1st-Medial Plantar

2nd-4th-Lateral Plantar

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89
Q

What is the action of Lumbricals (4)?

A

Flexion of proximal phalanges

Extend middle and distal phalanges lateral 4 digits

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90
Q

What is the Origins of Flexor Hallucis Brevis?

A

Plantar surface of cuboid, intermediate and lateral cuneiforms

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91
Q

What is the insertion of Flexor Hallucis Brevis?

A

Both sides base of proximal phalanx of 1st digit

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92
Q

What is the nerve supply of Flexor Hallucis Brevis?

A

Medial Plantar

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93
Q

What is the action of Flexor Hallucis Brevis?

A

Flexion of proximal phalanx of 1st digit

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94
Q

What is the Origins of Adductor Hallucis?

A

Oblique Head - Base of 2nd to 4th Metatarsals

Transverse Head - Plantar ll. of metatarsalphalangeal joints

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95
Q

What is the insertion of Adductor Hallucis?

A

Lateral side base of the proximal phalanx of 1st digit

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96
Q

What is the nerve supply of Adductor Hallucis?

A

Deep branch of lateral plantar

97
Q

What is the action of Adductor Hallucis?

A

Adduction of 1st digit

Assists maintaining transverse arch by pulling lateral 4 digits medial

98
Q

What is the Origins of Flexor Digiti Minimi Brevis?

A

Base of 5th Metatarsal

99
Q

What is the insertion of Flexor Digiti Minimi Brevis?

A

Base of Proximal Phalanx 5th digit

100
Q

What is the nerve supply of Flexor Digiti Minimi Brevis?

A

Superficial branch of lateral plantar

101
Q

What is the action of Flexor Digiti Minimi Brevis?

A

Flexion of proximal phalanx of 5th digit

102
Q

What is the Origins of Plantar Interossei (3)?

A

Bases and medial sides of the 3rd to 5th Metatarsals

103
Q

What is the insertion of Plantar Interossei (3)?

A

Medial sides of bases of phalanges 3-5

104
Q

What is the nerve supply of Plantar Interossei (3)?

A

Lateral Plantar

105
Q

What is the action of Plantar Interossei (3)?

A

Adduction of digits 3-5

Flexion of metatarsophalangeal joints

106
Q

What is the Origins of Dorsal Interossei (4)?

A

Adjacent sides of metatarsals 1-5

107
Q

What is the insertion of Dorsal Interossei (4)?

A

1st- medial side of proximal phalanx of 2nd digit

2nd-4th - lateral side of 2nd-4th digits

108
Q

What is the nerve supply of Dorsal Interossei (4)?

A

Lateral Plantar

109
Q

What is the action of Dorsal Interossei (4)?

A

Abduction of digits 2-4

Flexion of metatarsophalangeal joints

110
Q

What is the Origins of Extensor Digitorum Brevis?

A

Calcaneus
Interosseous talocacaneal l.
Stem of inferior extensor retinaculum

111
Q

What is the insertion of Extensor Digitorum Brevis?

A

Long extensor tendons of 3 medial digits (toes 2-4)

112
Q

What is the nerve supply of Extensor Digitorum Brevis?

A

Lateral branch deep fibular

113
Q

What is the action of Extensor Digitorum Brevis?

A

Aids extensor digitorum longus in extension of 3 medial digits at the metatarsalphalangeal joints and interphalangeal joints

114
Q

What is the artery supply of Extensor Digitorum Brevis?

A

Lateral tarsal

115
Q

What is the Origins of Extensor Hallucis Brevis?

A

Calcaneus
Interosseous talocalcaneal l.
Stem of inferior extensor retinaculum

116
Q

What is the insertion of Extensor Hallucis Brevis?

A

Dorsal aspect base of proximal phalanx of 1st digit

117
Q

What is the nerve supply of Extensor Hallucis Brevis?

A

Lateral branch deep fibular

118
Q

What is the artery supply of Extensor Hallucis Brevis?

A

Lateral tarsal

119
Q

What is the action of Extensor Hallucis Brevis?

A

Aids extensor hallucis longus in extension of 1st digit at the metatarsophalangeal joint

120
Q

What is the origin of the gluteus Maximus

A

Dorsum of sacrum
Ilium posterior to posterior gluteal line
Sacrotuberous ligament

121
Q

What is the insertion of the gluteus Maximus

A

Iliotibial tract

Gluteal tuberosity

122
Q

What is the nerve innervation of Gluteus Maximus

A

Inferior Gluteal n

123
Q

What is the artery of Gluteus Maximus

A

Superior and inferior gluteal artery

124
Q

What is the action the Gluteus Maximus

A

Extension of thigh from flexed position

Assists with lateral rotation and rising from sitting position

125
Q

What is the Origin of the gluteus medius

A

External surface of ilium between anterior and posterior gluteal lines

126
Q

What is the insertion of the gluteus medius

A

Lateral surface of the greater trochanter

127
Q

What is the nerve innervation of gluteus medius

A

Superior gluteal nerve

128
Q

What is the artery of gluteus medius

A

Superior gluteal artery

ascending branch of lateral femoral circumflex artery

129
Q

What are the actions of gluteus medius

A

Abducts and medially rotates thigh
Keeps pelvis level when ipsilateral limb is weight bearing
Advance opposite during swing phase

130
Q

What are the origins of gluteus minimus

A

External surface of ilium between anterior and inferior gluteal lines

131
Q

What are the insertions of gluteus minimus

A

Anterior surface of greater trochanter

132
Q

What is the nerve innervation of gluteus minimus

A

Superior gluteal nerve

133
Q

What is the artery of gluteus minimus

A

Superior gluteal artery

ascending branch of lateral femoral circumflex artery

134
Q

What is the action of gluteus minimus

A

Abducts and medially rotates thigh
Keeps pelvis level when ipsilateral limb is weight bearing
Advance opposite during swing phase

135
Q

What is the origin of tensor fascia lata

A

ASIS

Anterior part of iliac crest

136
Q

What is the insertion of the tensor fascia lata

A

IT tract to lateral condyle of tibia

137
Q

What is the nerve innervation of tensor fascia lata

A

Superior gluteal nerve

138
Q

What is the artery of tensor fascia lata

A

Superior gluteal artery

Ascending branch of lateral femoral circumflex artery

139
Q

What is the origin of piriformis

A

Anterior surface of sacrum

Sacrotuberous ligament

140
Q

What is the insertion of piriformis

A

Superior border of greater trochanter

141
Q

What is the nerve innervation of piriformis

A

Ventral rami S1-2

142
Q

What is the artery of piriformis

A

Inferior gluteal artery

Superior gluteal artery

143
Q

What is the action of piriformis

A

Lateral rotation of extended thigh
Abduction of flexed thigh
Steadies femoral head

144
Q

What is the origin of superior gemellus

A

Ischial spine

145
Q

What is the insertion of superior gemellus

A

Trochanteric fossa of femur via tendon of obturator internus

146
Q

What is the nerve innervation of superior gemellus

A

Nerve to obturator internus

147
Q

What are the arteries of superior gemellus

A

Inferior gluteal artery
Medial femoral artery
Circumflex arteries

148
Q

What is the action of superior gemellus

A

Lateral rotation of extended thigh
Abduction of flexed thigh
Steadies femoral head

149
Q

What is the origin of obturator internus

A

Pelvic surface of obturator membrane and surrounding bones

150
Q

What is the insertion of obturator internus

A

Trochanteric fossa of femur

151
Q

What is the nerve innervation of obturator internus

A

Nerve to obturator internus

152
Q

What is the blood supply of obturator internus

A

Pelvic part: obturator artery

Extra pelvic part: medial femoral circumflex artery

153
Q

What is the action of obturator internus

A

Lateral rotation of extended thigh
Abduction of flexed thigh
Steadies femoral head

154
Q

What is the origin of inferior gemellus

A

Ischial tuberosity

155
Q

What is the insertion of the inferior gemellus

A

Trochanteric fossa of femur via tendon of obturator internus

156
Q

What is the nerve innervation of inferior gemellus

A

Nerve to quadratus femoris

157
Q

What is the artery of inferior gemellus

A

Medial femoral circumflex artery

158
Q

What is the action of inferior gemellus

A

Lateral rotation of extended thigh
Abduction of flexed thigh
Steadies femoral head

159
Q

What is the origin of quadratus femoris

A

Lateral border of Ischial tuberosity

160
Q

What is the insertion of quadratus femoris

A

Quadrate tubercle on intertrochanteric crest of femur and area inferior to it

161
Q

What is the nerve innervation of quadratus femoris

A

Nerve to quadratus femoris

162
Q

What is the artery of inferior gemellus

A

Medial femoral circumflex and 1st perforating arteries

163
Q

What are the actions of quadratus femoris

A

Lateral rotation of extended thigh

Steadies femoral head

164
Q

What is the origin of the pectineus muscle

A

Superior pubic ramus

165
Q

What is the insertion of the pectineus

A

Pectineal line of femur

Inferior to lesser trochanter

166
Q

What is the nerve innervation of pectineus

A

Femoral obturator nerve (sometimes)

167
Q

What is the artery of pectineus

A

Anterior branch of obturator artery

168
Q

What is the action of pectineus

A

Adduction and flexion of thigh

Assists with medial rotation

169
Q

What is the origin of the iliopsoas

A

Iliacus: iliac crest and fossa, ala of sacrum anterior sacroiliac ll.
psoas major: sides of T12-L5 vertebrae and IVD; TPs of all lumbar vertebrae

170
Q

What is the insertion of iliopsoas

A

Iliacus: tendon of psoas major, lesser trochanter and femur distal to it
Psoas major: lesser trochanter

171
Q

What is the nerve innervation of iliopsoas

A

Iliacus: femoral

Psoas major: ventral rami of L1-L2

172
Q

What are the arteries of the iliopsoas

A

Femoral and medial femoral circumflex arteries

173
Q

What are the actions of iliopsoas

A

Flexion of thigh or trunk

Stabilize hip joint

174
Q

What is the origin of sartorius

A

ASIS and superior part of notch inferior to it

175
Q

What is the insertion for as sartorius

A

Superior part medial surface of tibia

176
Q

What is the nerve innervation of sartorius

177
Q

What is the artery of sartorius

A

Femoral artery

178
Q

What are the actions of sartorius

A

Flexion abduction and lateral rotation of thigh
Flexion of leg
Medial rotation of leg when knee is flexed

179
Q

What is the origin of rectus femoris

A

AIIS

ilium superior to acetabulum

180
Q

What is the insertion of rectus femoris

A

Tibial tuberosity via patellar tendon

181
Q

What is the innervation of rectus femoris

182
Q

What is the artery of rectus femoris

A

Femoral artery

183
Q

What is the action of rectus femoris

A

Extension of leg
Flexion of thigh
Steadies hip joint

184
Q

What is the origin of vastus lateralis

A

Greater trochanter

Lateral lip linea aspera

185
Q

What is the insertion of vastus lateralis

A

Tibial tuberosity via patellar tendon

186
Q

What is the innervation of vastus lateralis

187
Q

What is the artery of vastus lateralis

A

Femoral artery

Profunda femoris

188
Q

What is the action of vastus lateralis

A

Extension of leg

189
Q

What is the origin of vastus intermedius

A

Anterior and lateral surfaces of femoral shaft

190
Q

What is the insertion of vastus intermedius

A

Tibial tuberosity via patellar tendon

191
Q

What is the innervation of vastus intermedius

192
Q

What is the artery vastus intermedius

A

Femoral artery

Profunda femoris

193
Q

What is the action of vastus intermedius

A

Extension of leg

194
Q

What is the origin of vastus medialis

A

Intertrochanteric line and medial lip of linea aspera

195
Q

What is the insertion of the vastus medialis

A

Tibial tuberosity via patellar tendon

196
Q

What is the innervation of vastus medialis

197
Q

What are the arteries of the vastus medialis

A

Femoral artery

Profunda femoris artery

198
Q

What is the action of the vastus medialis

A

Extension of leg

199
Q

What is the origin of adductor longus

A

Body of pubic inferior to pubic crest

200
Q

What is the insertion of adductor longus

A

Middle 1/3 of linea aspera

201
Q

What is the nerve innervation of adductor longus

A

Anterior division obturator

202
Q

What is the artery of adductor longus

A

Anterior branch of obturator

203
Q

What is the action of adductor longus

A

Addiction of thigh

204
Q

What is the origin of adductor brevis

A

Body and inferior pubic ramus

205
Q

What is the insertion of adductor brevis

A

Pectineal line and proximal part of linea aspera

206
Q

What is the nerve innervation of adductor brevis

A

Anterior division obturator

207
Q

What is the artery of adductor brevis

A

Anterior branch of obturator

208
Q

What is the action of adductor brevis

A

Adduction and limited flexion of thigh

209
Q

What is the origin of adductor Magnus

A

Adductor part: inferior ramus of pubis, ramus of ischium

Hamstring part: ischial tuberosity

210
Q

What is the insertion of adductor Magnus

A

Adductor part: gluteal tuberosity, linea aspera, medial supracondylar ridge
Hamstring part: adductor tubercle

211
Q

What is the nerve innervation of adductor Magnus

A

Adductor part: posterior division of obturator

Hamstring part: tibial division of sciatic nerve

212
Q

What is the artery of adductor Magnus

A

Anterior branch obturator artery and perforating artery

213
Q

What is the action of adductor Magnus

A

Adduction of thigh
Adductor part: flexes thigh
Hamstring part: extends thigh

214
Q

What is the origin of gracilis

A

Body and inferior ramus of pubis

215
Q

What is the insertion of gracilis

A

Superior part medial surface of tibia

216
Q

What is the nerve innervation of gracilis

A

Anterior division obturator

217
Q

What is the artery of gracilis

A

Anterior branch obturator

218
Q

What is the action of gracilis

A

Adduction of thigh
Flex leg
Medial rotation of leg

219
Q

What is the origin obturator externus

A

Margins of obturator foramen and obturator membrane

220
Q

What is the insertion of obturator externus

A

Trochanteric fossa of femur

221
Q

What is the nerve innervation of obturator externus

A

Posterior division of obturator

222
Q

What is the artery of obturator externus

A

Anterior branch of obturator

223
Q

What are the actions of the obturator externus

A

Lateral rotation of thigh

Steadies femoral head

224
Q

What is the origin of semitendinosus

A

Ischial tuberosity

225
Q

What is the insertion of semitendinosus

A

Superior part of medial surface of tibia

226
Q

What is the nerve innervation of semitendinosus

227
Q

What is the artery of semitendinosus

A

Profunda femoris

Posterior branches of obturator artery

228
Q

What are the actions of semitendinosus

A

Extension of thigh
Flexion of leg
Medial rotation

229
Q

What is the origin of semimembranosus

A

Ischial tuberosity

230
Q

What is the insertion of semimembranosus

A

Posterior part of medial condyle of tibia

231
Q

What is the nerve innervation of semimembranosus

232
Q

What is the artery of semimembranosus

A

Profunda femoris

Posterior branches of obturator artery

233
Q

What is the action of semimembranosus

A

Extension of thigh
Flexion of leg
Medial rotation

234
Q

What is the origin of biceps femoris

A

Long head: ischial tuberosity

Short head: linea aspera and lateral supracondylar line of femur

235
Q

What is the insertion of the biceps femoris

A

Lateral side head of fibula

236
Q

What is the nerve innervation of the biceps femoris

A

Long head: tibial n

Short head: common fibular n

237
Q

What is the artery of the biceps femoris

A

Profunda femoris

Long head only: posterior branches of obturator

238
Q

What is the action of biceps femoris

A

Flexion of leg when knee is flexed
Lateral rotation when knee is flexed
Extension of thigh

Gross Anatomy I (1 decks)

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