Muscles Of Inferior Limb

Front 1

iliacus muscle (origin)

Back 1

iliac fossa

Front 2

psoas major muscle (origin)

Back 2

bodies of vertebrae T12-L5

Front 3

iliopsoas muscle (origin)

Back 3

lateral: iliacus muscle medial:psoas major muscle

Front 4

iliopsoas muscle (insertion)

Back 4

lesser trochanter and adjacent body of femur bone

Front 5

iliopsoas muscle (action)

Back 5

flex coxal joint, rotate thigh laterally-externally

Front 6

gluteus maximus muscle (origin)

Back 6

bony sacrum, iliac crest, coccyx

Front 7

gluteus maximus muscle (insertion)

Back 7

proximolateral aspect of femoral body and iliotibial tract

Front 8

gluteus maximus muscle (action)

Back 8

extend coxal joint, rotate thigh laterally-externally, some adduction of inferior limb at coxal joint

Front 9

gluteus medius muscle (origin)

Back 9

gluteal surface of ilium

Front 10

gluteus medius muscle (insertion)

Back 10

greater trochanter of femur bone

Front 11

gluteus medius muscle (action)

Back 11

abduct limb at coxal joint, rotate thigh laterally-externally

Front 12

gluteus minimus muscle (origin)

Back 12

gluteal surface of lilium (between anterior and inferior gluteal lines)

Front 13

gluteus minimus muscle (insertion)

Back 13

greater trochanter of femur bone - anterior surface

Front 14

gluteus minimus muscle (action)

Back 14

abduct inferior limb at coxal joint

Front 15

tensor fasciae latae muscle (origin)

Back 15

anterior superior iliac spine and nearby ilium

Front 16

tensor fasciae latae muscle (insertion)

Back 16

lateral condyle of tibia (via iliotibial tract)

Front 17

tensor fasciae latae muscle (action)

Back 17

flex coxal joint, abduct inferior limb at coxal joint

Front 18

sartorius muscle (origin)

Back 18

anterior superior iliac spine

Front 19

sartorius muscle (insertion)

Back 19

medial aspect of tibial tuberosity

Front 20

sartorius muscle (action)

Back 20

flex coxal joint, rotate inferior limb laterally-externally, flex genual joint

Front 21

quadriceps femoris muscle (insertion)

Back 21

tibial tuberosity via patella and patellar ligament

Front 22

quadriceps femoris muscle (action)

Back 22

flex coxal joint (rectus femoris), extend genual joint (all heads)

Front 23

rectus femoris muscle (origin)

Back 23

anterior inferior iliac spine

Front 24

rectus femoris muscle (insertion)

Back 24

(1) tibial tuberosity via patella and patellar ligament

Front 25

rectus femoris muscle (action)

Back 25

(1) flex coxal joint, extend genual joint

Front 26

vastus lateralis muscle (origin)

Back 26

lateral aspect of femur bone

Front 27

vastus lateralis muscle (insertion)

Back 27

(2) tibial tuberosity via patella and patellar ligament

Front 28

vastus lateralis muscle (action)

Back 28

(2) extend genual joint

Front 29

vastus medialis muscle (origin)

Back 29

medial aspect of body of femur

Front 30

vastus medialis muscle (insertion)

Back 30

(3) tibial tuberosity via patella and patellar ligament

Front 31

vastus medialis muscle (action)

Back 31

(3) extend genual joint

Front 32

vastus intermedius muscle (origin)

Back 32

anterior aspect of body of femur

Front 33

vastus intermedius muscle (insertion)

Back 33

(4) tibial tuberosity via patella and patellar ligament

Front 34

vastus intermedius muscle (action)

Back 34

(4) extend genual joint

Front 35

biceps femoris muscle (origin)

Back 35

long head: ischiatic tuber short head: lateral lip of linea aspera of femur bone

Front 36

biceps femoris muscle (insertion)

Back 36

head of fibula, lateral condyle of tibia

Front 37

biceps femoris muscle (action)

Back 37

flex genual joint, rotate inferior limb laterally-externally, long head: extend coxal joint

Front 38

semitendinosus muscle (origin)

Back 38

(1) ischiatic tuber

Front 39

semitendinosus muscle (insertion)

Back 39

medial aspect of the proximal part of the tibial body

Front 40

semitendinosus muscle (action)

Back 40

rotate inferior limb medially-internally

Front 41

semimembranosus (origin)

Back 41

(2) ischiatic tuber

Front 42

semimembranosus (insertion)

Back 42

medial condyle of tibia-posterior aspect

Front 43

semimembranosus (action)

Back 43

extend coxal joint, flex genual joint, rotate inferior limb medially-internally

Front 44

gracilis muscle (origin)

Back 44

(2)inferior ramus of pubis

Front 45

gracilis muscle (insertion)

Back 45

medial aspect of proximal part of tibial body

Front 46

gracilis muscle (action)

Back 46

adduct inferior limb at coxal joint, flex genual joint, rotate inferior limb medially-internally

Front 47

pectineus muscle (origin)

Back 47

pecten of pubis

Front 48

pectineus muscle (insertion)

Back 48

proximal end of posterior aspect of femoral body (below lesser trochanter)

Front 49

pectineus muscle (action)

Back 49

adduct inferior limb at coxal joint, flex coxal joint

Front 50

adductor longus muscle (origin)

Back 50

pubic symphysis and adjacent body of pubis

Front 51

adductor longus muscle (insertion)

Back 51

middle third of medial lip of linea aspera of femur bone

Front 52

adductor longus muscle (action)

Back 52

adduct inferior limb at coxal joint

Front 53

adductor brevis muscle (origin)

Back 53

(2)inferior ramus of pubis

Front 54

adductor brevis muscle (insertion)

Back 54

medial lip of linea aspera of femur bone-superior part

Front 55

adductor brevis muscle (action)

Back 55

adduct inferior limb at coxal joint

Front 56

adductor magnus muscle (origin)

Back 56

ischiatic tuber, inferior ramus of pubis, ramus of ischium

Front 57

adductor magnus muscle (insertion)

Back 57

linea aspera and adductor tubercle of femur bone

Front 58

adductor magnus muscle (action)

Back 58

adduct inferior limb at coxal joint, extend coxal joint

Front 59

anterior tibial muscle (origin)

Back 59

proximal tibia crural interosseous membrane

Front 60

anterior tibial muscle (insertion)

Back 60

medial cuneiform bone and first metatarsal bone

Front 61

anterior tibial muscle (action)

Back 61

dorsiflex tarsal joint and invert the foot

Front 62

long digital extensor muscle (origin)

Back 62

lateral condyle of tibia, proximal fibula, and crural interosseous membrane

Front 63

long digital extensor muscle (insertion)

Back 63

(1)distal phalanges of digits 2-5

Front 64

long digital extensor muscle (action)

Back 64

dorsiflex tarsal joint, extend digital joints of digits 2-5

Front 65

extensor hallucis longus muscle (origin)

Back 65

middle of fibula and crural interosseous membrane

Front 66

extensor hallucis longus muscle (insertion)

Back 66

base of distal phalanx of big toe

Front 67

extensor hallucis longus muscle (action)

Back 67

extend digital joints of big toe, dorsiflex tarsal joint

Front 68

peroneus longus muscle (origin)

Back 68

proximal third of fibula

Front 69

peroneus longus muscle (insertion)

Back 69

medial cuneiform bone and base of first metatarsal bone

Front 70

peroneus longus muscle (action)

Back 70

extend-plantar flex tarsal joint, evert pes

Front 71

peroneus brevis muscle (origin)

Back 71

distal half of fibula-lateral aspect

Front 72

peroneus brevis muscle (insertion)

Back 72

base of fifth metarsal bone

Front 73

peroneus brevis muscle (action)

Back 73

evert pes, extend-plantar flex tarsal joint

Front 74

peroneus tertius muscle (origin)

Back 74

lower third of body of fibula

Front 75

peroneus tertius muscle (insertion)

Back 75

dorsum of base of fifth metatarsal bone

Front 76

peroneus tertius muscle (action)

Back 76

flex-dorsiflex tarsal joint, evert the pes

Front 77

gastrocnemius muscle (origin)

Back 77

distal posterior femur bone just above medial and lateral condyles (medial and lateral heads)

Front 78

gastrocnemius muscle (insertion)

Back 78

(1)joins tendon of solus muscle and becomes calcanean tendon - inserts at tuber calcanei

Front 79

gastrocnemius muscle (action)

Back 79

extend-plantar flex tarsal joint, flex genual joint

Front 80

soleus muscle (origin)

Back 80

proximal posterior tibia and fibula

Front 81

soleus muscle (insertion)

Back 81

(2)tuber calcanei

Front 82

soleus muscle (action)

Back 82

extend-plantar flex tarsal joint

Front 83

plantaris muscle (origin)

Back 83

lateral epicondyle of femur bone-posterior edge

Front 84

plantaris muscle (insertion)

Back 84

(3)tuber calcanei

Front 85

plantaris muscle (action)

Back 85

extend-plantar flex tarsal joint

Front 86

popliteus muscle (origin)

Back 86

lateral epicondyle of femur bone

Front 87

popliteus muscle (insertion)

Back 87

posterior aspect of tibia above line of soleus muscle

Front 88

popliteus muscle (action)

Back 88

flex genual joint, roate crus medially

Front 89

flexor hallucis longus (origin)

Back 89

distal thwo-thirds of fibula and crural interosseus membrane

Front 90

flexor hallucis longus (insertion)

Back 90

base of distal phalanx of first digit

Front 91

flexor hallucis longus (action)

Back 91

flex digital joints of first digit, invert the pes

Front 92

flexor digitorum longus muscle (origin)

Back 92

middle third of posterior surface of tibia

Front 93

flexor digitorum longus muscle (insertion)

Back 93

(2)distal phalanges of digits 2-5

Front 94

flexor digitorum longus muscle (action)

Back 94

flex digital joints of minor toes, extend-plantar flex tarsal joint

Front 95

posterior tibial muscle (origin)

Back 95

posterior aspect of the tibia and fibula

Front 96

posterior tibial muscle (insertion)

Back 96

tarsal bones (except talus) and metatarsal bones 2-4

Front 97

posterior tibial muscle (action)

Back 97

extend-plantar flex tarsal joint, invert pes