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Anatomy > Lower Extremity > Flashcards

Lower Extremity Flashcards

1
Q

Abductor digiti minimi ACTION

A

Flexes 5th toe

Assists with abduction

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2
Q

Abductor digiti minimi INSERTION

A

Smooth groove on plantar surface of the base of 5th

metatarsal and is attached with the FDMB to the lateral side of the base of the proximal phalanx of the 5th toe

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3
Q

Abductor digiti minimi NERVE

A

Lateral Plantar n. (S1,S2,S3)

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4
Q

Abductor digiti minimi ORIGIN

A

Both processes of the calcaneal tuberosity, from the plantar surface of the bone between them, from the plantar aponeurosis, and from the intermuscular septum between the ADM and FDB

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5
Q

Abductor Hallucis ACTION

A

Abduction of MTP of great toe
Assists in flexion
Assists in adduction of the forefoot

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6
Q

Abductor Hallucis INSERTION

A

Medial side of base of proximal phalanx of great toe. Some fibers are attached to medial sesmoid bone, and a tendinous slip may extend to the base of the proximal phalanx of the great toe

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7
Q

Abductor Hallucis NERVE

A

Medial Plantar n. (S1,S2)

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8
Q

Abductor Hallucis ORIGIN

A

Medial process of tuberosity of calcaneus, flexor retinaculum, plantar aponeurosis, and adjacent intermuscular septum

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9
Q

Adductor brevis FUNCTION

A

Hip adduction and flexion

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10
Q

Adductor brevis INSERTION

A

Distal 2/3 of pectineal line and proximal 1/2 of medial lip of linea aspera

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11
Q

Adductor brevis NERVE

A

Obturator n. (L2, L3, L4)

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12
Q

Adductor brevis ORIGIN

A

Outer surface of inferior ramus of pubis

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13
Q

Adductor Hallucis ACTION

A

Adduction

Assists in flexion of MTP of great toe

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14
Q

Adductor Hallucis INSERTION

A

Lateral side of base of proximal phalanx of great toe

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15
Q

Adductor Hallucis NERVE

A

Lateral Plantar n. (S2,S3)

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16
Q

Adductor Hallucis ORIGIN

A

OBLIQUE HD:
From bases of 2-4th metatarsal bones and sheath of fibularis longus tendon
TRANSVERSE HD:
From plantar MTP ligaments of 3-5th digits and deep transverse ligament

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17
Q

Adductor Longus FUNCTION

A

Hip adduction and flexion

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18
Q

Adductor Longus INSERTION

A

Middle 1/3 of medial lip of linea aspera

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19
Q

Adductor Longus NERVE

A

Obturator n. (L2, L3, L4)

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20
Q

Adductor Longus ORIGIN

A

Anterior surface of pubis at intersection of crest and symphysis

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21
Q

Adductor magnus FUNCTION

A

Hip adduction, flexion, and extension

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22
Q

Adductor magnus INSERTION

A

Medial to gluteal tuberosity, middle line of linea aspera, medial supracondylar line, and adductor tubercle of medial condyle of femur.

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23
Q

Adductor magnus NERVE

A

Obturator n. (L2, L3, L4)

Tibial division of sciatic (L4,L5,S1)

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24
Q

Adductor magnus ORIGIN

A

Inferior pubic ramus, ramus of ischium (anterior fibers), and ischial tuberosity (posterior)

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25
Q

Biceps Femoris (long head) FUNCTION

A

Knee flexion and lateral rotation
Hip extension
Assists in hip lateral rotation

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26
Q

Biceps Femoris (long head) INSERTION

A

Lateral side of head of fibular head, lateral condyle of tibia, deep fascia, lateral side of leg

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27
Q

Biceps Femoris (long head) NERVE

A

Tibial n. (L5,S1,S2,S3)

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28
Q

Biceps Femoris (long head) ORIGIN

A

Distal part of sacrotuberous ligament, posterior part of ischial tuberosity

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29
Q

Biceps Femoris (short head) FUNCTION

A

Knee flexion and lateral rotation

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30
Q

Biceps Femoris (short head) INSERTION

A

Lateral side of fibular head, lateral tibial condyle, deep fascia lateral side of leg

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31
Q

Biceps Femoris (short head) NERVE

A

Common fibular n. (L5,S1,S2)

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32
Q

Biceps Femoris (short head) ORIGIN

A

Lateral lip of linea aspera, proximal 2/3 of supracondylar line, and lateral inter muscular septum

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33
Q

Extensor Digitorum Longus ACTION

A

Extend MTP joints
Assists in extension of IP 2-5
DF and EV

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34
Q

Extensor Digitorum Longus INSERTION

A

By 4 tendons to the 2-5th digits, each tendon forms an expansion on the dorsal surface of the toe, and divides
into an intermediate slip attached to base of middle phalanx and into 2 lateral slips

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35
Q

Extensor Digitorum Longus NERVE

A

Deep Fibular n. (L4, L5, S1)

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36
Q

Extensor Digitorum Longus ORIGIN

A

Lateral condyle of tibia, proximal ¾ of anterior surface of body of fibula, proximal part of interosseous membrane, adjacent intermuscular septa, and deep fascia

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37
Q

Extensor Hallucis Brevis ACTION

A

Great toe MTP Extension

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38
Q

Extensor Hallucis Brevis INSERTION

A

Dorsal surface of base of proximal phalanx of great toe

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39
Q

Extensor Hallucis Brevis NERVE

A

Deep Fibular n. (L4,L5,S1)

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40
Q

Extensor Hallucis Brevis ORIGIN

A

Distal part of superior and lateral surfaces of calcaneus, lateral talocalcaneal ligament, and apex of inferior extensor retinaculum

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41
Q

Extensor Hallucis Longus ACTION

A

Great toe IP and MTP extension

Assist in inversion of foot and dorsiflexion of ankle

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42
Q

Extensor Hallucis Longus INSERTION

A

Base of dorsal distal phalanx of great toe

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43
Q

Extensor Hallucis Longus NERVE

A

Deep Fibular n. (L4,L5, S1)

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44
Q

Extensor Hallucis Longus ORIGIN

A

Middle 2 quarters of anterior surface of fibula and adjacent interosseous membrane

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45
Q

Fibularis Brevis ACTION

A

Eversion

Assists in plantar flexion

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46
Q

Fibularis Brevis INSERTION

A

Tuberosity at base of 5th metatarsal bone, lateral side

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47
Q

Fibularis Brevis NERVE

A

Superficial Fibular n. (L4,L5,S1)

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48
Q

Fibularis Brevis ORIGIN

A

Distal 2/3 of lateral surface of fibula and adjacent intermuscular septa

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49
Q

Fibularis Longus ACTION

A

Eversion

Assists in plantar flexion and depresses first metatarsal head

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50
Q

Fibularis Longus INSERTION

A

Lateral side of base of 1st metatarsal and of medial cuneiform bone

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51
Q

Fibularis Longus NERVE

A

Superficial Fibular n. (L4,L5,S1)

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52
Q

Fibularis Longus ORIGIN

A

Lateral tibial condyle, head and proximal 2/3 of lateral surface of fibula, intermuscular septa, and adjacent deep fascia

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53
Q

Fibularis Tertius ACTION

A

Ankle DF

Foot Eversion

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54
Q

Fibularis Tertius INSERTION

A

Dorsal surface, base of 5th metatarsal

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55
Q

Fibularis Tertius NERVE

A

Deep Fibular n. (L4-L5-S1)

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56
Q

Fibularis Tertius ORIGIN

A

Distal 1/3 of anterior surface of fibula, interosseous membrane and adjacent intermuscular septa

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57
Q

Flexor digiti minimi brevis ACTION

A

MTP flexion of 5th digit

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58
Q

Flexor digiti minimi brevis INSERTION

A

Distal tendon that inserts into the lateral side of the base of the proximal phalanx of the minimus (5th digit).

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59
Q

Flexor digiti minimi brevis NERVE

A

Lateral Plantar n. (S2, S3)

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60
Q

Flexor digiti minimi brevis ORIGIN

A

Medial part of the plantar surface of the base of the 5th metatarsal bone and from the sheath of the fibularis longus

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61
Q

Flexor digitorum longus FUNCTION

A

Flexion of PIP, DIP and MTP of digits 2.5

Assists in ankle plantar flexion and foot inversion

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62
Q

Flexor digitorum longus INSERTION

A

Bases of distal phalanges of 2nd through 5th digits

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63
Q

Flexor digitorum longus NERVE

A

Tibial n. (L5,S1,S2)

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64
Q

Flexor digitorum longus ORIGIN

A

Middle 3/5 of posterior surface of body of tibia and from fascia covering the posterior tibialis

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65
Q

Flexor digitorum

brevis ACTION

A

PIP Flexion

Assists in flexion of 2-5th MTP

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66
Q

Flexor digitorum

brevis INSERTION

A

Middle phalanx of 2-5th digits

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67
Q

Flexor digitorum

brevis NERVE

A

Medial Plantar n. (S1,S2)

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68
Q

Flexor digitorum

brevis ORIGIN

A

Medial process of tuberosity of calcaneus, central part of plantar aponeurosis and adjacent intermuscualr septa

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69
Q

Flexor hallucis brevis ACTION

A

Flexion of MTP of great toe

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70
Q

Flexor hallucis brevis INSERTION

A

Medial and lateral sides of base of proximal phalanx of great toe

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71
Q

Flexor hallucis brevis NERVE

A

Medial Plantar n. (S1,S2)

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72
Q

Flexor hallucis brevis ORIGIN

A

Medial part of plantar surface of cuboid bone, adjacent part of lateral cuneiform bone, and from prolongation of tendon of posterior tibialis

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73
Q

Flexor hallucis longus FUNCTION

A

Great toe IP flexion
Assists in metatarsophalangeal flexion
Ankle plantar flexion
Foot inversion

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74
Q

Flexor hallucis longus INSERTION

A

Base of distal phalanx of great toe and plantar surface

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75
Q

Flexor hallucis longus NERVE

A

Tibial n. (L5,S1,S2)

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76
Q

Flexor hallucis longus ORIGIN

A

Posterior surfac of distal 2/3 of fibula, interosseous membrane, and adjacent intermuscular septa and fascia

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77
Q

Gastrocnemius (lateral head) FUNCTION

A

Talocrural plantar flexion

Assists in knee flexion

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78
Q

Gastrocnemius (lateral head) INSERTION

A

Middle part of posterior surface of calcaneus

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79
Q

Gastrocnemius (lateral head) NERVE

A

Tibial n. (S1, S2)

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80
Q

Gastrocnemius (lateral head) ORIGIN

A

Lateral condyle and posterior surface of femur, capsule of knee

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81
Q

Gastrocnemius (medial head) FUNCTION

A

Talocrural plantar flexion
Assits in knee flexion
Subtalar joint inversion (supination)

82
Q

Gastrocnemius (medial head) INSERTION

A

Middle part of posterior surface of calcaneus

83
Q

Gastrocnemius (medial head) NERVE

A

Tibial n. (S1,S2)

84
Q

Gastrocnemius (medial head) ORIGIN

A

Proximal and posterior part of medial condyle and adjacent part of femur, capsule of knee joint

85
Q

Gluteus maximus FUNCTION

A

Hip extension and lateral rotation
Lower fibers: assists in hip adduction
Upper fibers: assists in abduction, stabilize knee in extension through iliotibial band insertion

86
Q

Gluteus maximus INSERTION

A

Larger proximal part and superficial fibers of distal portion of muscle into iliotibial tract of fascia lata

Deep fibers of distal part into gluteal tuberosity of femur

87
Q

Gluteus maximus NERVE

A

Inferior gluteal n. (L5, S1, S2)

88
Q

Gluteus maximus ORIGIN

A

Posterior gluteal line of ilium and portion of bone superior and posterior to it, posterior surface of lower part of sacrum, side of coccyx, aponeurosis of erector spinae, sacrotuberous ligament, and gluteal aponeurosis

89
Q

Gluteus medius FUNCTION

A

Abduct hip
Anterior fibers: hip medial rotation and assist with hip flexion
Posterior fibers: hip lateral rotation and assist with hip extension

90
Q

Gluteus medius INSERTION

A

Oblique ridge of lateral surface of greater trochanter of femur

91
Q

Gluteus medius NERVE

A

Superior gluteal n. (L4,L5, S1)

92
Q

Gluteus medius ORIGIN

A

External surface of ilium between iliac crest and posterior gluteal line dorsally and anterior gluteal line ventrally, and gluteal tuberosity

93
Q

Gluteus minimus FUNCTION

A

Hip Abduction and MR

Assist with with hip flexion

94
Q

Gluteus minimus INSERTION

A

Anterior border of greater trochanter

Hip joint capsule

95
Q

Gluteus minimus NERVE

A

Superior gluteal n. (L4,L5, S1)

96
Q

Gluteus minimus ORIGIN

A

External surface of ilium between anterior and inferior gluteal lines, and margin of greater sciatic notch

97
Q

Gracilis FUNCTION

A

Adduct hip

Assists in knee medial rotation and flexion

98
Q

Gracilis INSERTION

A

Medial surface of body of tibia, distal to condyle, proximal to insertion of semitendinosus, and posterior to insertion of sartorius

99
Q

Gracilis NERVE

A

Obturator n. (L2,L3,L4)

100
Q

Gracilis ORIGIN

A

Inferior 1/2 of pubic symphysis and medial margin of inferior ramus of pubis

101
Q

Iliopsoas (Iliacus) FUNCTION

A

Flexes hip
Assists in hip lateral rotation and abduction

With insertion fixed:

  • Billaterally: flexes trunk on femurs, increases lumbar lordosis
  • Unilaterally: Assists in lateral flexion of trunk to same side

If trunk is stable, contribute to anterior shear of lumbar spine.

102
Q

Iliopsoas (Iliacus) INSERTION

A

Lesser trochanter of femur

103
Q

Iliopsoas (Iliacus) NERVE

A

Femoral n. (L1,L2,L3,L4)

104
Q

Iliopsoas (Iliacus)ORIGIN

A

Superior 2/3 iliac fossa, internal lip of iliac crest, iliolumbar and ventral SI ligaments and sacral ala

105
Q

Iliopsoas (Psoas Major) FUNCTION

A

Flexes hip
Assists in hip lateral rotation and abduction

With insertion fixed:

  • Billaterally: flexes trunk on femurs, increases lumbar lordosis
  • Unilaterally: Assists in lateral flexion of trunk to same side

If trunk is stable, contribute to anterior shear of lumbar spine.

106
Q

Iliopsoas (Psoas Major) INSERTION

A

Lesser trochanter of femur

107
Q

Iliopsoas (Psoas Major) NERVE

A

Anterior rami of Lumbar spinal n. (L1,L2,L3,L4)

108
Q

Iliopsoas (Psoas Major) ORIGIN

A

Ventral surface of transverse processes of all lumbar vertebrae, sides of bodies and corresponding intervertebral discs of last thoracic and all lumbar vertebrae and membranous arches that extend over sides of lumbar vertebrae.

109
Q

Inferior Gemelli FUNCTION

A

Laterally rotate extended hip
Abduct flexed hip
Stabilize femoral head in acetabulum

110
Q

Inferior Gemelli INSERTION

A

With the tendon of Obturator Internus into medial surface of greater trochanter

111
Q

Inferior Gemelli NERVE

A

N. to quadratus femoris (L5, S1)

112
Q

Inferior Gemelli ORIGIN

A

Proximal part of tuberosity of ischium

113
Q

Interossei ACTION

A

PLANTAR (3):
ADD 3-5th digits toward axial line through the 2nd digit.
Assists in MTP flexion
Assist in extension of IP3-5th

DORSAL (4)
Abduct 2-4th digits from axial line through the 2nd digits.
Assists in MTP flexion and extension of 2-4th IP

114
Q

Interossei INSERTION

A

PLANTAR (3)L:
Medial sides of bases of proximal phalanges of same digit
DORSAL (4):
Side of proximal phalanx and capsule of 1st MTP joint to
medial side of 2nd digit, other 3 to lateral sides of 2-4th digits

115
Q

Interossei NERVE

A

Lateral Plantar n. (S2,S3)

116
Q

Interossei ORIGIN

A

PLANTAR (3):
Bases and medial sides of bodies of 3-5th metatarsal bones
DORSAL (4):
Each by 2 heads from adjacent sides of the metatarsal bones

117
Q

Lumbricals ACTION

A

MTP flexion

Assists in IP 2-5th extension

118
Q

Lumbricals INSERTION

A

Medial side of proximal phalanx and dorsal expansion of EDL tendon of 2nd – 5th digits

119
Q

Lumbricals NERVE

A

1 - Medial Plantar n. (S1,S2)

2-4: Medial Plantar n. (S2,S3)

120
Q

Lumbricals ORIGIN

A

1st from medial side of 1st FDL tendon, 2nd from adjacent sides of 1st and 2nd FDL tendons, 3rd from adjacent sides of 2nd and 3rd FDL tendons, 4th from adjacent sides of 3rd and 4th FDL tendons

121
Q

Obturator Externus FUNCTION

A

Laterally rotation of thigh and assists hip adduction

122
Q

Obturator Externus INSERTION

A

Trochanteric fossa of femur

123
Q

Obturator Externus NERVE

A

Obturator n. (L3, L4)

124
Q

Obturator Externus ORIGIN

A

Rami of pubis and ischium and external surface of obturator membrane

125
Q

Obturator Internus FUNCTION

A

Laterally rotate extended hip
Abducts flexed hip
Assists hip extension
Stabilizes femoral head in acetabulum

126
Q

Obturator Internus INSERTION

A

Medial surface of greater trochanter

127
Q

Obturator Internus NERVE

A

N. to Obturator Internus (L5, S1)

128
Q

Obturator Internus ORIGIN

A

Internal/pelvic surface of obturator membrane and margin of obturator foramen, pelvic surface of ischium, posterior and proximal to obturator foramen, and to slight extent from the obturator fascia

129
Q

Pectineus FUNCTION

A

Hip adduction and flexion

130
Q

Pectineus INSERTION

A

Pectineal line of femur

131
Q

Pectineus NERVE

A

Femoral n., accessory obturator (L2, L3,L4)

132
Q

Pectineus ORIGIN

A

Surface of superior ramus of pubis ventral to pectin between iliopectineal eminence and pubic tubercle

133
Q

Piriformis FUNCTION

A

Laterally rotate extended hip
Abducts flexed hip
Assists hip extension
Stabilizes femoral head in acetabulum

134
Q

Piriformis INSERTION

A

Superior border of greater trochanter

135
Q

Piriformis NERVE

A

N. to Piriformis (L5,S1,S2)

136
Q

Piriformis ORIGIN

A

Surface of sacrum between 1,2,3 and 4 pelvic sacrum foramina, margin of greater sciatic foramen, and pelvic surface of sacrotuberous ligament

137
Q

Plantaris FUNCTION

A

Plantar flexion

Assists in knee flexion

138
Q

Plantaris INSERTION

A

Posterior part of calcaneus

139
Q

Plantaris NERVE

A

Tibial n. (L4,L5,S1,S2)

140
Q

Plantaris ORIGIN

A

Distal part of lateral supracondylar line of femur and adjacent part of its popliteal surface, oblique popliteal ligament of knee joint

141
Q

Popliteus ACTION

A

NWB:
MR of tibia on the femur
Knee flexion

WB:
LR of femur on tibia
Knee flexion
Helps reinforce posterior ligament of knee joint

142
Q

Popliteus INSERTION

A

Triangular area proximal to soleal line on posterior surface of tibia, and fascia covering the muscle

143
Q

Popliteus NERVE

A

Tibial n. (L4, L5, S1)

144
Q

Popliteus ORIGIN

A

Anterior part of groove on lateral condyle of femur, and oblique popliteal ligament of knee joint

145
Q

Quadratus femoris FUNCTION

A

Laterally rotate extended hip
Abducts flexed hip
Assists hip extension
Stabilizes femoral head in acetabulum

146
Q

Quadratus femoris INSERTION

A

Proximal part of quadrate line extending distally from intertrochanteric crest

147
Q

Quadratus femoris NERVE

A

N. to quadratus femoris (L5, S1)

148
Q

Quadratus femoris ORIGIN

A

Proximal part of lateral border of tuberosity of ischium

149
Q

Quadratus plantae ACTION

A

Modifies line of pull of the flexor digitorum longus tendons, and assists in flexion of 2-5th digits

150
Q

Quadratus plantae INSERTION

A

Lateral margin and dorsal and plantar surfaces of tendon of flexor digitorum longus

151
Q

Quadratus plantae NERVE

A

Lateral Plantar n. (S1,S2,S3)

152
Q

Quadratus plantae ORIGIN

A

MEDIAL HEAD
Medial surface of calcaneus, and medial border of long plantar ligament

LATERAL HEAD
Lateral border of plantar surface of calcaneus, and lateral border of long plantar ligament

153
Q

Rectus femoris FUNCTION

A

Extends knee

Assists iliopsoas to flex thigh

154
Q

Rectus femoris INSERTION

A

Proximal border of patella and through patellar ligament to tibial tuberosity

155
Q

Rectus femoris NERVE

A

Femoral n. (L2, L3, L4)

156
Q

Rectus femoris ORIGIN

A

Straight Head: AIIS and superior rim of acetabulum

Reflected Heah: From groove above rim of acetabulum

157
Q

Sartorius FUNCTION

A

Flexion, abduction and lateral rotation of thigh

158
Q

Sartorius INSERTION

A

Proximal part of medial surface of tibia near anterior border

159
Q

Sartorius NERVE

A

Femoral n. (L2,3,4)

160
Q

Sartorius ORIGIN

A

ASIS and superior 1/2 of notch just distal to spine

161
Q

Semimembranosus FUNCTION

A

Knee flexion and medial rotation
Hip extension
Assists in hip medial rotation

162
Q

Semimembranosus INSERTION

A

Posteromedial aspect of medial condyle of tibia

163
Q

Semimembranosus NERVE

A

Tibial n. (L4,L5,S1,S2)

164
Q

Semimembranosus ORIGIN

A

Ischial tuberosity, proximal and lateral to biceps femoris and semitendinosis

165
Q

Semitendinosus FUNCTION

A

Knee flexion and medial rotation
Hip extension
Assists in hip medial rotation

166
Q

Semitendinosus INSERTION

A

Proximal part of medial surface of body of tibia, deep fascia of leg

167
Q

Semitendinosus NERVE

A

Tibial n. (L4,L5,S1,S2)

168
Q

Semitendinosus ORIGIN

A

Ischial tuberosity by tendon common with long head of biceps femoris

169
Q

Soleus FUNCTION

A

Talocrural plantar flexion

Subtalar joint inversion (supination)

170
Q

Soleus INSERTION

A

Posterior part of calcaneus

171
Q

Soleus NERVE

A

Tibial n. (S1, S2)

172
Q

Soleus ORIGIN

A

Posterior surfaces of head of fibula and proximal 1/3 of its body, soleal line, and middle 1/3 of medial border of tibia, tendinous arch between tibia and fibula

173
Q

Superior Gemelli FUNCTION

A

Laterally rotate extended hip
Abduct flexed hip
Stabilize femoral head in acetabulum

174
Q

Superior Gemelli INSERTION

A

With tendon of Obturator Internus into medial surface of greater trochanter

175
Q

Superior Gemelli NERVE

A

N. to Obturator Internus (L5, S1)

176
Q

Superior Gemelli ORIGIN

A

External surface of ischial spine

177
Q

Tensor fasciae latae FUNCTION

A

Abduction, medial rotation and flexion of thigh. Assists in keeping knee extended

178
Q

Tensor fasciae latae INSERTION

A

Into iliotibial tract of fascia lata at junction of proximal and middle thirds of thigh.

179
Q

Tensor fasciae latae NERVE

A

Superior gluteal n. (L4, L5, S1)

180
Q

Tensor fasciae latae ORIGIN

A

Anterior part of the external lip of iliac crest, outer surface of ASIS, and deep surface of fascia lata.

181
Q

Tibialis Anterior ACTION

A

Ankle dorsiflexion

Assists in foot inversion

182
Q

Tibialis Anterior INSERTION

A

Medial and plantar surface of medial cuneiform, base of 1st metatarsal bone

183
Q

Tibialis Anterior NERVE

A

Deep Fibular n. (L4,L5,S1)

184
Q

Tibialis Anterior ORIGIN

A

Lateral condyle and proximal 1/2 of lateral surface of tibia, lateral talocalcaneal ligament, and apex of inferior extensor retinaculum

185
Q

Tibialis Posterior ACTION

A

Inversion

Assists in ankle plantar flexion

186
Q

Tibialis Posterior INSERTION

A

Tuberosity of navicular bone and by fibrous expansions to the sustentaculum talk, all cuneiforms, cuboid, and bases of 2nd,3rd and 4th metatarsal bones

187
Q

Tibialis Posterior NERVE

A

Tibial n. (L4, L5, S1)

188
Q

Tibialis Posterior ORIGIN

A

Most of interosseous membrane, lateral portion of posterior surface of tibia, proximal 2/3 of medial surface of fibula, adjacent inter-muscular septa, and deep fascia

189
Q

Vastus intermedius FUNCTION

A

Extend knee

190
Q

Vastus intermedius INSERTION

A

Proximal border of patella and through patellar ligament to tibial tuberosity.

191
Q

Vastus intermedius NERVE

A

Femoral n. (L2, L3, L4)

192
Q

Vastus intermedius ORIGIN

A

Anterior and lateral surfaces of proximal 2/3 of body of femur, distal 1/2 of linea aspera, and lateral intermuscular septum.

193
Q

Vastus lateralis FUNCTION

A

Extend knee

194
Q

Vastus lateralis INSERTION

A

Proximal border of patella and through patellar ligament to tibial tuberosity.

195
Q

Vastus lateralis NERVE

A

Femoral n. (L2, L3, L4)

196
Q

Vastus lateralis ORIGIN

A

Proximal part of intertrochanteric line, anterior and inferior borders of greater trochanter, lateral lip of gluteal tuberosity, proximal 1/2 of lateral lip of linea aspera, and lateral inter muscular septum.

197
Q

Vastus medialis FUNCTION

A

Extend knee

198
Q

Vastus medialis INSERTION

A

Proximal border of patella and through patellar ligament to tibial tuberosity.

199
Q

Vastus medialis NERVE

A

Femoral n. (L2, L3, L4)

200
Q

Vastus medialis ORIGIN

A

Distal 1/2 of intertrochanteric line, medial lip of linea aspera, proximal part of medial suprocondylar line, tendons of adductor longus and adductor magnus, and medial inter muscular septum.

Anatomy (8 decks)

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