Muscles - Lower Body

Front 1

origin of psoas major

Back 1

transverse process of lumbar vertebra

Front 2

insertion of psoas major

Back 2

with iliacus into lesser trochanter of femur

Front 3

action of psoas major

Back 3

flexion at the hip;
flex the trunk on the hip;
laterally rotate the thigh at the hip

Front 4

innervation of psoas major

Back 4

lumbar spinal nerves

Front 5

origin of iliacus

Back 5

iliac fossa and sacrum

Front 6

insertion of iliacus

Back 6

with psoas major into the
lesser trochanter of femur

Front 7

action of iliacus

Back 7

flex thigh at hip
laterally rotate thigh;
flex trunk at hip

Front 8

innervation of iliacus

Back 8

femoral nerve

Front 9

origin of gluteus maximus

Back 9

iliac crest, sacrum & coccyx

Front 10

insertion of gluteus maximus

Back 10

iliotibial tract
and gluteal tuberosity

Front 11

action of gluteus maximus

Back 11

extends thigh at hip
laterally rotates thigh

Front 12

innervation of gluteus maximus

Back 12

inferior gluteal nerve

Front 13

origin of gluteus medius

Back 13

ilium

Front 14

insertion of gluteus medius

Back 14

greater trochanter of femur

Front 15

action of gluteus medius

Back 15

abducts thigh at hip and
medially rotates thigh

Front 16

innervation of gluteus medius

Back 16

superior gluteal nerve

Front 17

origin of gluteus minimus

Back 17

ilium

Front 18

insertion of gluteus minimus

Back 18

greater trochanter of femur

Front 19

action of gluteus minimus

Back 19

abducts thigh at hip and
medially rotates thigh

Front 20

innervation of gluteus minimus

Back 20

superior gluteal nerve

Front 21

innervation of biceps femoris

Back 21

tibial AND
common fibular nerves

Front 22

innervation of semitendinosus

Back 22

tibial nerve (from sciatic)

Front 23

innervation of semimembranosus

Back 23

tibial nerve (from sciatic)

Front 24

innervation of gastrocnemius

Back 24

tibial nerve

Front 25

innervation of soleus

Back 25

tibial nerve

Front 26

insertion of rectus femoris

Back 26

patella via quadriceps tendon & then tibial tuberosity via patellar ligament

Front 27

action of rectus femoris

Back 27

all quads together extend the leg @ knee;
acting alone, the rectus femoris flexes thigh @ hip

Front 28

innervation of rectus femoris

Back 28

femoral n.

Front 29

insertion of vastus lateralis

Back 29

patella via quadriceps tendon & then tibial tuberosity via patellar ligament

Front 30

innervation of vastus lateralis

Back 30

femoral n.

Front 31

insertion of vastus medialis

Back 31

patella via quadriceps tendon & then tibial tuberosity via patellar ligament

Front 32

innervation of vastus medialis

Back 32

femoral n.

Front 33

insertion of vastus intermedius

Back 33

patella via quadriceps tendon & tibial tuberosity via patellar ligament

Front 34

innervation of vastus intermedius

Back 34

femoral n.

Front 35

innervation of sartorius

Back 35

femoral nerve

Front 36

innervation of piriformis

Back 36

sacral spinal nerves (S1 & S2)

Front 37

innervation of tensor fascia latae

Back 37

superior gluteal n.

Front 38

innervation of tibialis anterior

Back 38

deep fibular (peroneal) n.

Front 39

action of extensor hallucis longus

Back 39

extends great toe and
dorsiflexes foot at ankle

Front 40

general location of
extensor hallucis longus

Back 40

anterior compartment of leg

Front 41

action of extensor digitorum longus

Back 41

extends toes and
dorsiflexes foot at ankle

Front 42

general location of
extensor digitorum longus

Back 42

anterior compartment of leg

Front 43

action of fibularis (peroneus) longus

Back 43

plantar flexes foot at ankle
and everts foot

Front 44

general location of
fibularis (peroneus) longus

Back 44

lateral compartment of leg

Front 45

action of fibularis (peroneus) brevis

Back 45

plantar flexes foot at ankle
and everts foot

Front 46

general location of
fibularis (peroneus) brevis

Back 46

lateral compartment of leg

Front 47

action of flexor digitorum longus

Back 47

flexes phalanges and
plantar flexes foot at ankle

Front 48

general location of
flexor digitorum longus

Back 48

deep posterior compartment of leg

Front 49

action of flexor hallucis longus

Back 49

flexes great toe and
plantar flexes foot at ankle

Front 50

general location of
flexor hallucis longus

Back 50

deep posterior compartment of leg

Front 51

action of extensor digitorum brevis

Back 51

extends toes

Front 52

general location of
extensor digitorum brevis

Back 52

dorsal foot

Front 53

origin of plantaris

Back 53

femur superior to lateral condyle

Front 54

insertion of plantaris

Back 54

calcaneus by way of the
calcaneal tendon

Front 55

action of the plantaris

Back 55

plantar flexes foot at ankle
and flexes leg at knee

Front 56

innervation of plantaris

Back 56

tibial nerve

Front 57

origin of soleus

Back 57

head of fibula and
medial border of tibia

Front 58

insertion of soleus

Back 58

calcaneus by way of the
calcaneal tendon

Front 59

action of soleus

Back 59

plantar flexes foot at ankle

Front 60

origin of gastrocnemius

Back 60

lateral & medial condyles of femur
and capsule of knee

Front 61

insertion of gastrocnemius

Back 61

calcaneus by way of the
calcaneal tendon

Front 62

action of gastrocnemius

Back 62

plantar flexes foot at ankle
flexes leg at knee

Front 63

action of the fibularis tertius

Back 63

dorsiflexion and eversion of the foot

Front 64

location of fibularis tertius

Back 64

anterior compartment of leg

Front 65

origin of tibialis anterior

Back 65

lateral condyle and body of tibia
and interosseous membrane

Front 66

insertion of tibialis anterior

Back 66

1st metatarsal and 1st cuneiform

Front 67

action of tibialis anterior

Back 67

dorsiflexes foot and
inverts foot

Front 68

action of popliteus

Back 68

flexes leg at knee and
medially rotates tibia to unlock extended knee

Front 69

location of popliteus

Back 69

deep posterior compartment of leg

Front 70

action of tibialis posterior

Back 70

plantar flexion and
inversion of foot

Front 71

location of tibialis posterior

Back 71

deep posterior compartment of the leg

Front 72

what 4 muscles make up the
anterior compartment of the leg

Back 72

tibialis anterior;
extensor hallucis longus;
extensor digitorum longus
fibularis tertius

Front 73

what muscles make up the
lateral compartment of the leg

Back 73

fibularis longus;
fibularis brevis

Front 74

what muscles make up the
superficial posterior compartment
of the leg

Back 74

gastrocnemius;
soleus;
plantaris

Front 75

what 4 muscles make up the
deep posterior compartment
of the leg

Back 75

popliteus;
tibialis posterior;
flexor digitorum longus;
flexor hallusic longus

Front 76

origin of tensor fascia latae

Back 76

iliac crest

Front 77

insertion of tensor fascia latae

Back 77

tibia by the iliotibial tract

Front 78

action of tensor fascia latae

Back 78

flexes and abducts thigh at hip

Front 79

origin of piriformis

Back 79

anterior sacrum

Front 80

insertion of piriformis

Back 80

greater trochanter of femur

Front 81

action of piriformis

Back 81

laterally rotates and abducts thigh at hip

Front 82

origin of quadratus femoris

Back 82

ischial tuberosity

Front 83

insertion of quadratus femoris

Back 83

intertrochanteric crest
on posterior femur

Front 84

action of quadratus femoris

Back 84

laterally rotates and
stabalizes hip joint

Front 85

innervation of quadratus femoris

Back 85

nerve to quadratus femoris

Front 86

origin of adductor longus

Back 86

pubic crest and pubic symphysis

Front 87

insertion of adductor longus

Back 87

linea aspera of femur

Front 88

action of adductor longus

Back 88

adducts thigh;
flexes thigh at hip;
laterally rotates thigh

Front 89

innervation of adductor longus

Back 89

obturator nerve

Front 90

origin of adductor brevis

Back 90

inferior ramus of pubis

Front 91

insertion of adductor brevis

Back 91

superior linea aspera of femur

Front 92

action of adductor brevis

Back 92

adducts thigh;
flexes thigh at hip;
rotates thigh

Front 93

innervation of adductor brevis

Back 93

obturator nerve

Front 94

origin of adductor magnus

Back 94

inferior ramus of pubis;
and ischium to ischial tuberosity

Front 95

insertion of adductor magnus

Back 95

linea aspera of femur

Front 96

action of adductor magnus

Back 96

adducts thigh at hip
laterally rotates thigh,
flexes thigh at hip
extends thigh at hip

Front 97

innervation of adductor magnus

Back 97

obturator nerve

Front 98

origin of pectineus

Back 98

superior ramus of pubis

Front 99

insertion of pectineus

Back 99

pectineal line of femur
between lesser trochanter and linea aspera

Front 100

action of pectineus

Back 100

flexes thigh at hip
adducts thigh at hip

Front 101

innervation of pectineus

Back 101

femoral nerve

Front 102

name 12 of the muscles that act on the femur?

Back 102

adductors (3)
pectineus
piriformis
quadratus femoris
tensor fascia latae
gluteus muscles (3)
iliacus and
psoas major

Front 103

what are the muscles in the
medial compartment of the thigh

Back 103

adductors;
pectinius;
gracilis

Front 104

origin of gracilis

Back 104

body and inferior ramus of pubis

Front 105

insertion of gracilis

Back 105

medial surface of body of tibia

Front 106

action of gracilis

Back 106

adducts thigh at hip
rotates thigh
flexes leg at knee

Front 107

innervation of gracilis

Back 107

obturator nerve

Front 108

origin of rectus femoris

Back 108

anterior inferior iliac spine

Front 109

origin of vastus lateralis

Back 109

greater trochanter
and linea aspera of femur

Front 110

action of vastus laterialis

Back 110

extends leg at knee

Front 111

origin of vastus medialis

Back 111

linea aspera of femur

Front 112

action of vastus medialis

Back 112

extends leg at knee

Front 113

origin of vastus intermedius

Back 113

anterior and lateral surfaces
of body of femur

Front 114

action of vastus intermedius

Back 114

extends leg at knee

Front 115

origin of sartorius

Back 115

anterior superior iliac spine

Front 116

insertion of sartorius

Back 116

medial surface of body of tibia

Front 117

action of sartorius

Back 117

flexes leg at knee;
flexes, thigh at hip
abducts thigh at hip
laterally rotates thigh at hip

Front 118

what 5 muscles make up the
anterior compartment of the thigh

Back 118

rectus femoris
vastus lateralis
vastus medialis
vastus intermedius
sartorius

Front 119

what muscles make up the
posterior compartment of the thigh

Back 119

biceps femoris
semitendinosus
semimembranosus

Front 120

origin of biceps femoris

Back 120

long head - rises from ischial tuberosity
short head - rises from linea aspera of femur

Front 121

insertion of biceps femoris

Back 121

head of fibula and
lateral condyle of tibia

Front 122

action of biceps femoris

Back 122

flexes leg at knee
and extends thigh at hip

Front 123

origin of semitendinosus

Back 123

ischial tuberosity

Front 124

insertion of semitendinosus

Back 124

proximal part of medial
surface of shaft of tibia

Front 125

action of semitendinosus

Back 125

flexes leg at knee
and extends thigh at hip

Front 126

origin of semimembranosus

Back 126

ischial tuberosity

Front 127

insertion of semimembranosus

Back 127

medial condyle of tibia

Front 128

action of semimembranosus

Back 128

flexes leg at knee
and extends thigh at hip