Anatomy Lab Quiz Muscles Part 2

Front 1

Action of the psoas major

Back 1

Flexes the thigh at the hip

Front 2

Origin and insertion of the psoas major

Back 2

O: T12-L5 vertebra

I: lesser trochanter, femur

Front 3

Action of the iliacus

Back 3

Flexes thigh at hip

Front 4

Origin and insertion of iliacus

Back 4

O: iliac fossa

I: lesser trochanter, femur

Front 5

Action of the adductor longus

Back 5

Adducts thigh at hip

Front 6

Origin and insertion of adductor longus

Back 6

O: pubis

I: linea aspera femur

Front 7

Action of the Adductor magnus

Back 7

Adducts thigh at hip

Front 8

Origin and insertion of adductor magnus

Back 8

O: pubis ans ischium

I: femur

Front 9

Action of the gracilis

Back 9

Adducts thigh at hip

Front 10

Origin and insertion of the gracilis

Back 10

O: pubis

I: tibia inferior to medial condyle

Front 11

Action of the gluteus maximus

Back 11

Extends thigh at hip and laterally rotates thigh

Front 12

Origin and insertion of the gluteus maximus

Back 12

O: ilium, sacrum, coccyx

I: femur

Front 13

Action of the gluteus medius

Back 13

Abducts thigh at hip and rotates thigh medially

Front 14

Origin and insertion of the gluteus medius

Back 14

O: iliac crest

I: greater trochanter femur

Front 15

Action of the sartorius

Back 15

Flexes leg at knee

Front 16

Origin and insertion of sartorius

Back 16

O: ilium

I: tibia

Front 17

Quad muscles

Back 17

Rectus femoris

Vastus lateralis

Vastus intermedialis

Vastus medialis

Front 18

Action of the rectus femoris

Back 18

Extends leg at knee

Front 19

Origin and insertion of the rectus femoris

Back 19

O: ilium

I: tibial tuberosity

Front 20

Action of the vastus lateralis

Back 20

Extends leg at knee

Front 21

Origin and insertion of the vastus lateralis

Back 21

O: femur

I: tibial tuberosity

Front 22

Action of the vastus medialis

Back 22

Extend leg af knee

Front 23

Origin and insertion of the vastus medialis

Back 23

O: femur

I: tibial tuberosity

Front 24

Action of the vastus intermedius

Back 24

Extend leg at knee

Front 25

Origin and insertion of the vastus intermedius

Back 25

O: femur

I: tibial tuberosity

Front 26

Back 26

Iliacus

Front 27

Back 27

Psoas major

Front 28

Back 28

Adductor longus

Front 29

Back 29

Red: adductor longus

Orange: adductor magnus

Yellow: gracilis

Front 30

Back 30

Sartorius

Front 31

Back 31

Gracilis

Front 32

Back 32

Blue: gracilis

Purple: sartorius

Front 33

Back 33

Gluteus maximus

Front 34

Back 34

Gluteus medius

Front 35

Back 35

Rectus femoris

Front 36

Back 36

Vastus lateralis

Front 37

Back 37

Vastus medialis

Front 38

Back 38

Vastus intermedius

Front 39

Back 39

Biceps femoris

Front 40

Back 40

Blue: semitendinosus

Purple: semimembranosus

Front 41

Action of the biceps femoris

Back 41

Flexes leg at knee

Front 42

Origin and insertion of the biceps femoris

Back 42

O: ischial tuberosity and femur

I: tibia and fibula

Front 43

Action of the semitendinosus

Back 43

Flexes leg at the knee

Front 44

Origin and insertion of the semitendinosus

Back 44

O: ischial tuberosity

I: tibia

Front 45

Action of the semimembranosus

Back 45

Flexes leg at knee

Front 46

Origin and insertion of the semimembranosus

Back 46

O: ischial tuberosity

I: tibia

Front 47

Action of the tibialis anterior

Back 47

Dorsiflexes the foot at ankle and inverts foot

Front 48

Origin and insertion of the tibialis anterior

Back 48

O: tibia

I: 1st metatarsal

Front 49

Action of the extensor digitorum longus

Back 49

Extends toes

Front 50

Origin and insertion of the extensor digitorum longus

Back 50

O: tibia and fibula

I: digits

Front 51

Action of the fibularis longus

Back 51

Plantarflexes the foot at ankle and everts foor

Front 52

Origin and insertion of the fibularis longus

Back 52

O: tibia and fibula

I: 1st metatarsal

Front 53

Action of the gastrocnemius

Back 53

Plantarflexes the foot at ankle

Front 54

Origin and insertion of gastrocnemius

Back 54

O: femoral condyles

I: calcaneous

Front 55

Action of the soleus

Back 55

Plantarflexes the foot at ankle

Front 56

Origin and insertion of the soleus

Back 56

O: fibula and tibia

I: calcaneous

Front 57

Action of the flexor digitorum longus

Back 57

Flexes toes

Front 58

Origin and insertion of the flexor digitorum longus

Back 58

O: tibia

I: inferior surface digits

Front 59

Back 59

Tibialis anterior

Front 60

Back 60

Extensor digitorum longus

Front 61

Back 61

Fibularis longus

Front 62

Back 62

Gastrocnemius

Front 63

Back 63

Soleus

Front 64

Back 64

Flexor digitorum longus

Front 65

Back 65

Platysma

Front 66

Action of the platysma

Back 66

Tenses skin of neck & depresses mandible

Front 67

Origin and insertion of the platysma

Back 67

O: fascia of superior thorax

I: mandible & skin of cheek

Front 68

Action of the piriformis

Back 68

Lateral rotation and abduction of hip

Front 69

Origin and insertion of the piriformis

Back 69

O: sacrum

I: greater trochanter, femur

Front 70

Back 70

Piriformis

Front 71

Action of the inferior rectus

Back 71

Eyes look down

Front 72

Action of the medial rectus

Back 72

Eye looks medially

Front 73

Action of the superior rectus

Back 73

Eyes look up

Front 74

Action of the lateral rectus

Back 74

Eyes look laterally

Front 75

Action of the inferior oblique

Back 75

Eye rolls, looks up & laterally

Front 76

Action of the superior oblique

Back 76

Eye rolls, looks down & laterally

Front 77

Back 77

Red: lateral rectus

Orange: inferior rectus

Yellow: inferior oblique

Green: medial rectus

Blue: superior oblique

Purple: superior rectus