Quiz 7 - Lower Body Musculature

Question 1

Gluteus maximus

Answer 1

extend hip, lateral rotation and abduct hip

o: ilium, sacrum, coccyx
i: femur, iliotibial tract

Question 2

gluteus medius

Answer 2

abduct and medial rotation of hip

o: ilium
i: femur (greater trochanter)

Question 3

gluteus minimus

Answer 3

abduct and medial rotation of hip

o: ilium
i: femur (greater trochanter)

Question 4

iliotibial tract

Answer 4

thickened lateral portion of fascia late that extends as tendinous band from iliac crest to knee

Question 5

tensor fascia latae

Answer 5

abduct and medial rotation of hip, extend and lateral rotation of knee

o: ilium
i: iliotibial tract (IT band)

Question 6

lateral rotators

Answer 6

lateral rotation and abduct hip

o: sacrum, ilium, ishium
i: femur

Question 7

iliopsoas

Answer 7

flex hip

o: ilium and vertebrae
i: femur

Question 8

anterior thigh muscles (extenders)

Answer 8

quadriceps - 
rectus femoris
vastus intermedius
vastus medialis
vastus lateralis

Question 9

rectus femoris

Answer 9

extend knee, flex hip

o: ilium
i: tibia (tibial tuberosity), patella

Question 10

vastus intermedius

Answer 10

extends knee

o: femur
i: tibia (tibial tuberosity), patella

Question 11

vastus medialis

Answer 11

extends knee (under rectus femoris)

o: femur
i: tibia (tibial tuberosity), patella

Question 12

vastus lateralis

Answer 12

extends knee

o: femur
i: tibia (tibial tuberosity), patella

Question 13

sartorius

Answer 13

flex knee; abduct, flex and laterally rotate hip; allows crossing of legs

o: ilium
i: tibia

Question 14

medial thigh muscles

Answer 14

pectineus
adductor longus
adductor magnus
adductor brevis

Question 15

pectineus

Answer 15

flex and adduct hip

o: pubis
i: femur

Question 16

adductor longus

Answer 16

flex, adduct and medial rotation of hip

o: pubis, ischium
i: femur

Question 17

adductor magnus

Answer 17

flex, adduct and medial rotation of hip

o: pubis, ischium
i: femur

Question 18

gracilis

Answer 18

flex and medial rotation of knee, adduct and medial rotation of hip

o: pubis
i: tibia

Question 19

posterior thigh muscles (flexors)

Answer 19

hamstrings -
biceps femoris
semitendinosus
semimembranosus

Question 20

biceps femoris

Answer 20

flex knee, extend hip

o: ischial tuberosity, femur
i: fibula, tibia

Question 21

semitendinosus

Answer 21

flex knee

o: ischial tuberosity
i: tibia

Question 22

semimembranosus

Answer 22

flex knee

o: ischial tuberosity
i: tibia

Question 23

posterior leg muscles (flexors)

Answer 23

gastrocnemius
soleus
tibialis posterior
flexor digitorum (longus)
flexor hallucis longus

Question 24

gastrocnemius

Answer 24

plantar flexion

o: femur
i: calcaneus

Question 25

soleus

Answer 25

plantar flexion

o: femur
i: calcaneus

Question 26

tibialis posterior

Answer 26

plantar flexion, inversion

o: tibia and fibula
i: tarsals and metatarsals

Question 27

flexor digitorum (longus)

Answer 27

plantar flexion, flex toes 2-5

o: tibia
i: phalanges 2-5

Question 28

flexor hallucis longus

Answer 28

plantar flexion, flex hallux

o: fibula
i: phalanx of hallux

Question 29

anterior leg muscles (extensors)

Answer 29

tibialis anterior
extensor digitorum longus
extensor hallucis longus

Question 30

tibialis anterior

Answer 30

dorsiflexion, inversion

o: tibia
i: metatarsal 1, medial cuneiform

Question 31

extensor digitorum longus

Answer 31

dorsiflexion, extend toes 2-5

o: tibia, fibula
i: phalanges 2-5

Question 32

extensor hallucis longus

Answer 32

dorsiflexion, extend hallux

o: fibula
i: phalanx of hallux

Question 33

lateral leg muscles

Answer 33

fibularis longus and fibularis brevis

Question 34

fibularis longus

Answer 34

plantar flexion, eversion

o: fibula
i: metatarsals, medial cuneiform

Question 35

fibularis brevis

Answer 35

plantar flexion, eversion

o: fibula
i: metatarsals, medial cuneiform