lower limb muscles

Question 1

name and action

Answer 1

piriformis
laterally rotates thigh
abducts thigh

Question 2

name and action

Answer 2

gastrocnemius
plantar flexion of foot
flex knee

Question 3

name and origin and insertion

Answer 3

semitendinosus

origin: ischial tuberosity
insertion: proximal, medial surface of tibia

Question 4

What is fascia lata?

Answer 4

strong fascial sheath which envelops the thigh like a sleeve

Question 5

name and action

Answer 5

sartorius
flexes thigh
abducts thigh
laterally rotates thigh

Question 6

name and origin and insertion

Answer 6

rectus femoris

origin: anterior inferior iliac spine
insertion: patella and tibial tuberosity via patellar ligament

Question 7

name and action

Answer 7

vastus lateralis
flexes thigh
extends knee

Question 8

name

Answer 8

iliotibial band

Question 9

name and origin and insertion

Answer 9

biceps femoris
origin:
long head: ischial tuberosity 
short head: linea aspera
insertion: common tendon into head of fibula and lateral condyle of tibia

Question 10

name

Answer 10

achilles/calcaneal tendon

Question 11

name and action

Answer 11

semitendinosus
extends thigh
flexes knee
medial rotates thigh

Question 12

name and action

Answer 12

extensor digitorum longus
dorsiflexion of foot
extension of phalanges

Question 13

name and origin and insertion

Answer 13

gastrocnemius

origin: medial and lateral condyles of femur
insertion: calcaneus via achilles tendon

Question 14

name and origin and insertion

Answer 14

soleus

origin: head and proximal shaft of fibula and superior tibia
insertion: calcaneus via achilles tendon

Question 15

name and action

Answer 15

tibialis anterior
dorsiflexion of foot
inversion of foot

Question 16

name

Answer 16

iliotibial band

Question 17

Answer 17

tibialis anterior

Question 18

Answer 18

sartorius

Question 19

name and action

Answer 19

rectus femoris
extend knee
flexes thigh

Question 20

name

Answer 20

adductor magnus

Question 21

name and origin and insertion

Answer 21

sartorius

origin: anterior superior iliac spine
insertion: medial condyle of tibia

Question 22

name and action

Answer 22

gracilis
adducts thigh
medially rotates thigh
flexes thigh

Question 23

name and action

Answer 23

fibularis longus
plantar flexion of foot
eversion of foot

Question 24

name and origin and insertion

Answer 24

vastus lateralis

origin: greater trochanter, intertrochanteric line, linea aspera
insertion: patella and tibial tuberosity via patellar ligament

Question 25

name and origin and insertion

Answer 25

vastus medialis origin: linea aspera and intertrochanteric line insertion: patella and tibial tuberosity via patellar ligament

Question 26

name and action

Answer 26

semimembranosus extends thigh flexes knee medial rotates thigh

Question 27

name and action

Answer 27

soleus | plantar flexion foot

Question 28

name

Answer 28

fibularis longus

Question 29

name and action

Answer 29

tensor fascia lata flexes thigh abducts thigh

Question 30

name and origin and insertion

Answer 30

gracilis origin: inferior ramus of pubis insertion: inferior to medial condyle of tibia

Question 31

name action origin and insertion

Answer 31

``` vastus intermedius extends knee flex hip origin: anterolateral surface of femur insertion: patella and tibial tuberosity via patellar ligament ```

Question 32

name and origin and insertion

Answer 32

gluteus maximus origin: dorsal ilium, sacrum, and coccyx insertion: gluteal tuberosity of femur and iliotibial band

Question 33

name

Answer 33

tensor fascia lata

Question 34

name and action

Answer 34

vastus medialis flexes hip extends knee

Question 35

name and action

Answer 35

biceps femoris extends thigh flexes knee laterally rotates thigh

Question 36

name and action

Answer 36

gluteus medius abducts thigh medial rotates thigh

Question 37

name and origin and insertion

Answer 37

gluteus medius origin: lateral surface of ilium insertion: greater trochanter of femur

Question 38

Answer 38

gracilis

Question 39

Answer 39

adductor magnus

Question 40

Name and action

Answer 40

gluteus maximus extends thigh laterally rotates thigh

Question 41

name and origin and insertion

Answer 41

semimembranosus origin: ischial tuberosity insertion: medial condyle of tibia

Question 42

name and action

Answer 42

adductor magnus adducts thigh laterally rotates thigh

Question 43

Answer 43

iliotibial band

Question 44

name and origin and insertion

Answer 44

tibialis anterior origin: lateral condyle and proximal shaft of tibia insertion: 1st cuneiform and first metatarsal