Muscles of the Appendicular Skeleton (Lower Limb)

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Origin of iliacus

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112 Terms

1

Origin of iliacus

Iliac fossa, iliac crest, & ala

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2

Insertion of iliacus

Lesser trochanter

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3

Innervation of iliacus

Femoral nerve

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4

Action of iliacus

Flexes thigh

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5

Origin of psoas major

T12-L5 vertebrae

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6

Insertion of psoas major

Lesser trochanter

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7

Action of psoas major

Flexes thigh

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8

Origin of tensor fascia lata

Iliac crest & anterior superior iliac spine

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9

Insertion of tensor fascia lata

Iliotibial tract

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10

Innervation of tensor fascia lata

Superior gluteal nerve

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11

Action of tensor fascia lata

Stabilizes leg on trunk

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12

Origin of sartorius

Anterior superior iliac spine

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13

Insertion of sartorius

Tibia

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14

Innervation of sartorius

Femoral nerve

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15

Action of sartorius

Flexes thigh

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16

Origin of pectineus

Pubis

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17

Insertion of pectineus

Lesser trochanter & linea aspera

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18

Innervation of pectineus

Femoral nerve

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19

Action of pectineus

Adducts thigh

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20

Innervation of adductor brevis

Obturator nerve

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21

Action of adductor brevis

Adducts thigh

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22

Origin of adductor longus

Pubis

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23

Insertion of adductor longus

Linea aspera

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24

Innervation of adductor longus

Obturator nerve

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25

Action of adductor longus

Adducts thigh

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26

Origin of adductor magnus

Pubis & ischial tuberosity

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27

Insertion of adductor magnus

Linea aspera

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28

Innervation of adductor magnus

Obturator nerve & sciatic nerve

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29

Action of adductor magnus

Adducts thigh

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30

Origin of gracilis

Pubis & ischium

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31

Insertion of gracilis

Tibia

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32

Innervation of gracilis

Obturator nerve

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33

Action of gracilis

Adducts thigh

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34

Origin of gluteus maximus

Ilium, sacrum, & coccyx

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35

Insertion of gluteus maximus

Gluteal tuberosity & iliotibial tract

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36

Innervation of gluteus maximus

Inferior gluteal nerve

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37

Action of gluteus maximus

Extends thigh

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38

Origin of gluteus medius

Ilium

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39

Insertion of gluteus medius

Greater trochanter

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40

Innervation of gluteus medius

Superior gluteal nerve

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41

Action of gluteus medius

Abducts thigh

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42

Innervation of gluteus minimus

Superior gluteal nerve

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43

Action of gluteus minimus

Abducts thigh

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44

Origin of piriformis

Sacrum

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45

Insertion of piriformis

Greater trochanter

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46

Action of piriformis

Laterally rotates thigh

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47

Innervation of obturators

Obturator nerve

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48

Action of obturators

Laterally rotates thigh

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49

Action of gemellus

Laterally rotates thigh

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50

Origin of quadratus femoris

Ischial tuberosity

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51

Insertion of quadratus femoris

Femur

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52

Action of quadratus femoris

Laterally rotates thigh

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53

Origin of rectus femoris

Anterior inferior iliac spine & acetabulum

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54

Insertion of rectus femoris

Tibial tuberosity

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55

Innervation of rectus femoris

Femoral nerve

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56

Action of rectus femoris

Extends lower leg

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57

Origin of vastus lateralis

Greater trochanter & linea aspera

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58

Insertion of vastus lateralis

Tibial tuberosity

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59

Innervation of vastus lateralis

Femoral nerve

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60

Action of vastus lateralis

Extends lower leg

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61

Origin of vastus medialis

Femoral, linea aspera, & medial supracondylar line

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62

Insertion of vastus medialis

Tibial tuberosity

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63

Innervation of vastus medialis

Femoral nerve

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64

Action of vested medialis

Extends lower leg

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65

Innervation of vastus intermedius

Femoral nerve

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66

Action of vastus intermedius

Extends lower leg

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67

Origin of biceps femoris

Ischial tuberosity & linea aspera

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68

Insertion of biceps femoris

Fibular head & lateral condyle

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69

Innervation of biceps femoris

Sciatic nerve

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70

Action of biceps femoris

Flexes lower leg

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71

Origin of semitendinous

Ischial tuberosity

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72

Insertion of semitendinous

Tibia

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73

Innervation of semitendinous

Sciatic nerve

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74

Action of semitendinous

Flexes lower leg

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75

Origin of semimembranosus

Ischial tuberosity

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76

Insertion of semimembranosus

Medial condyle

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77

Innervation of semimembranosus

Sciatic nerve

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78

Action of semimembranosus

Flexes lower leg

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79

Innervation of popliteus

Tibial nerve

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80

Action of popliteus

Flexes lower leg

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81

Origin of tibialis anterior

Lateral condyle & tibia

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82

Insertion of tibialis anterior

Medial cuneiform & metatarsal 1

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83

Innervation of tibialis anterial

Common fibular nerve

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84

Action of tibialis anterior

Dorsiflexes foot

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85

Origin of extensor digitorium longus

Lateral condyle & fibula

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86

Insertion of extensor digitorium longus

Medial cuneiform & distal phalanges 2-5

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87

Innervation of extensor digitorium longus

Common fibular nerve

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88

Action of extensor digitorium longus

Extends toes

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89

Innervation of extensor hallucis longus

Common fibular nerve

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90

Action of extensor hallicis longus

Extends great toe

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91

Origin of fibularis

Fibula

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92

Insertion of fibularis

Medial cuneiform & metatarsal 1 & 5

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93

Innervation of fibularis

Common fibular nerve

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94

Action of fibularis

Plantar flexes foot

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95

Origin of gastrocnemius

Medial condyle & lateral condyle

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96

Insertion of gastrocnemius

Calcaneus

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97

Innervation of gastrocnemius

Tibial nerve

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98

Action of gastrocnemius

Plantar flexes foot

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99

Innervation of soleus

Tibial nerve

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100

Action of soleus

Plantar flexes foot

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