Muscles of the Hip and Lower Extremities

Question 1

Insertion of Sartorius

Answer 1

Tibia

Question 2

Action of Sartorius

Answer 2

Flexes thigh and laterally rotates it; flexes knee

Question 3

3 Adductors

Answer 3

magnus
longus
brevis

Question 4

Origin of Adductor magnus

Answer 4

Ischial and pubis rami

Question 5

Origin of Adductor longus

Answer 5

Pubis

Question 6

Origin of Adductor brevis

Answer 6

Body of pubis

Question 7

Insertion of Adductors

Answer 7

Linea aspera of femur

Question 8

Action of Adductors

Answer 8

Adduct, flex and laterally rotate thigh (synergist in thigh extension)

Question 9

4 Quadriceps Femoris

Answer 9

rectus femoris
vastus lateralis
vastus medialis
vastus intermedius

Question 10

Origin of rectus femoris

Answer 10

Pelvis

Question 11

Insertion of rectus femoris

Answer 11

Tibial tuberosity

Question 12

Action of rectus femoris

Answer 12

Extends knee and flexes thigh

Question 13

Origin of vastus lateralis

Answer 13

Greater trochanter of femur

Question 14

Insertion of vastus lateralis

Answer 14

Tibial tuberosity

Question 15

Action of vastus lateralis

Answer 15

Extends knee

Question 16

Origin of vastus medialis

Answer 16

Femur

Question 17

Insertion of vastus medialis

Answer 17

Tibial tuberosity

Question 18

Action of vastus medialis

Answer 18

Extends knee

Question 19

Origin of vastus intermedius

Answer 19

Femur

Question 20

Insertion of vastus intermedius

Answer 20

Tibial tuberosity

Question 21

Action of vastus intermedius

Answer 21

Extends knee

Question 22

Origin of Tibialis anterior

Answer 22

Tibia

Question 23

Insertion of Tibialis anterior

Answer 23

First cuneiform and 1st metatarsal

Question 24

Action of Tibialis anterior

Answer 24

Dorsiflexes foot (prime mover); and inverts foot

Question 25

Origin of Extensor digitorum longus

Answer 25

Tibia and fibula

Question 26

Insertion of Extensor digitorum longus

Answer 26

Distal phalanges

Question 27

Action of Extensor digitorum longus

Answer 27

Dorsiflexes foot

Question 28

Origin of Peroneus (Fibularis)

Answer 28

Fibula

Question 29

Insertion of Peroneus (Fibularis)

Answer 29

Tarsal and metatarsals

Question 30

Action of Peroneus (Fibularis)

Answer 30

Plantar flexes and everts foot

Question 31

Origin of Gluteus medius

Answer 31

Ilium

Question 32

Insertion of Gluteus medius

Answer 32

Greater trochanter of femur

Question 33

Action of Gluteus medius

Answer 33

Abducts thigh and medially rotates thigh

Question 34

Origin of Tensor fasciae latae

Answer 34

Iliac crest

Question 35

Insertion of Tensor fasciae latae

Answer 35

Tibia

Question 36

Action of Tensor fasciae latae

Answer 36

Flexes and abducts thigh

Question 37

3 Hamstring

Answer 37

Biceps femoris Semitendinosus Semimembranosus

Question 38

Origin of Biceps femoris

Answer 38

Ischial tuberosity and femur

Question 39

Insertion of Biceps femoris

Answer 39

Head of fibula

Question 40

Action of Biceps femoris

Answer 40

Extends thigh and laterally flexes knee

Question 41

Origin of Semitendinosus

Answer 41

Ischial tuberosity

Question 42

Insertion of Semitendinosus

Answer 42

Proximal tibia

Question 43

Action of Semitendinosus

Answer 43

Extends thigh, flexes knee, and rotates leg medially

Question 44

Origin of Semimembranosus

Answer 44

Ischial tuberosity

Question 45

Insertion of Semimembranosus

Answer 45

Proximal tibia

Question 46

Action of Semimambranosus

Answer 46

Extends thigh, flexes knee, and rotates leg medially

Question 47

Origin of Gastrocnemius

Answer 47

Femur and knee capsule

Question 48

Insertion of Gastrocnemius

Answer 48

Calncaneus

Question 49

Action of Gastrocnemius

Answer 49

Plantar flexes foot

Question 50

Origin of Soleus

Answer 50

Tibia and fibula

Question 51

Insertion of Soleus

Answer 51

Calcaneus

Question 52

Action of Soleus

Answer 52

Platar felxes foot

Question 53

Origin of Plantaris

Answer 53

Femur

Question 54

Insertion of Plantaris

Answer 54

Calcaneus

Question 55

Action of Plantaris

Answer 55

Plantar flexes foot and flexes leg at knee joints

Question 56

Origin of Sartorius

Answer 56

Iliac spine