Musculature

Question 1

What compartment of the thigh contains the rectus femoris?

Answer 1

The anterior compartment

Question 2

What movement does the rectus femoris contribute to?

Answer 2

Flexion of the hip
AND
Extension of the knee

Question 3

What four muscles make up the quadriceps group?

Answer 3

The rectus femoris,
The vastus medialis
The vastus lateralis
The vastus intermedius

Question 4

Where does the rectus femoris originate?

Answer 4

The anterior inferior iliac spine (AIIS)

Question 5

Where do the three vastus muscles originate from?

Answer 5

The femur

Question 6

What movement does contraction of the vastus medius, intermedius, and lateralis create?

Answer 6

Extension at the knee

Question 7

The dominant hip flexor is made up of which two muscles?

Answer 7

Psoas major and the iliacus

Question 8

Having passed inferiorly to the inguinal ligament the psoas major and iliacus muscles become what?

Answer 8

One muscle called the Iliopsoas

Question 9

List the thigh muscles

Answer 9

Rectus femoris
Vastus lateralis
Vastus medialis
Vastus intermedius 
Psoas major
Iliacus
Iliopsoas
Pectineus 
Sartorius

Question 10

What movement does the sartorius illicit?

Answer 10

Hip flexion and knee flexion

Question 11

Where is the insertion of the Iliopsoas muscle?

Answer 11

The lesser trochanter of the femur

Question 12

What three muscles make up the ‘hamstrings’?

Answer 12

The Semitendinosus
The Semimembranosus
The LONG HEAD of the biceps femoris (not the short head)

Question 13

What movement does contraction of the three hamstring muscles illicit?

Answer 13

Extension at the hip

Flexion at the knee

Question 14

What action does contraction of the short head of the biceps femoris produce?

Answer 14

Flexion at the knee

Question 15

Where do the three hamstring muscles (semitendinosus, semimebranosus, and long head of the biceps femoris) originate from?

Answer 15

The ischial tuberosity

Question 16

Does the biceps femoris pass laterally or medially to the knee?

Answer 16

Laterally

Question 17

Do the semimebranosus and semitendinosus muscles pass laterally or medially to the knee?

Answer 17

Medially

Question 18

What muscles make up the medial compartment of the thigh?

Answer 18

Gracilis
Adductor Magnus
Adductor Longus
Adductor Brevis
Pectineus

Question 19

What action does the medial compartment of the thigh produce?

Answer 19

Adduction

Question 20

What action does the gracilis produce?

Answer 20

Adduction of the hip

Flexion at the knee

Question 21

What movement does the adductor Magnus produce?

Answer 21

Adduction at the hip and extension at the hip

Question 22

What movement does the pectineus muscle produce?

Answer 22

Adduction at the hip and flexion at the hip

Question 23

What is dorsiflexsion

Answer 23

Movement of the top of the foot towards the shin, pointing the toes up (“bad toes”)

Question 24

What is plantarflexion?

Answer 24

Pointing the toes down (“good toes”), moving the upper surface of the foot away from the shin

Question 25

What movement do the muscles in the anterior compartment of the leg produce?

Answer 25

Dorsiflexion

Question 26

What four muscles make up the anterior compartment of the leg?

Answer 26

Tibialis anterior Extensor digitorum longus Extensor hallucis longus Fibularis tertius

Question 27

What movements does contraction of the tibikas anterior produce?

Answer 27

Dorsiflexion | Inversion

Question 28

What muscle has a tendon that attaches to the big toe (hallux)?

Answer 28

The Extensor hallucis longus

Question 29

What muscle has tendons that attach to the smaller four toes (digits)?

Answer 29

The Extensor digitorum longus?

Question 30

What movements does the extensor hallucis longus produce?

Answer 30

Dorsiflexion AND Extension of the big toe

Question 31

What movements does the extensor digitorum longus produce?

Answer 31

Dorsiflexion AND Extension of the four smaller toes

Question 32

Which compartment of the leg contains these muscles: the tibialis anterior, extensor hallucis longus, extensor digitorum longus, and fibularis tertius?

Answer 32

The anterior compartment of the leg

Question 33

What movements are produced by contraction of the fibularis tertius?

Answer 33

Dorsiflexion AND Version

Question 34

What movement at the ankle is the lateral compartment of the leg responsible for?

Answer 34

Eversion | AND assist with plantarflexion

Question 35

How many muscles does the lateral compartment of the leg contain?

Answer 35

Two

Question 36

Which is the more superficial muscle in the lateral compartment?

Answer 36

Fibularis longus

Question 37

What are the names of the two muscles in the lateral compartment of the leg?

Answer 37

Fibularis longus and fibularis brevis

Question 38

Where does the fibularis brevis attach on the base of the foot?

Answer 38

Laterally, to the base of the fifth metatarsal

Question 39

Where does the fibularis longus attach on the base of the foot?

Answer 39

Medially, at the base of the first metatarsal

Question 40

Which muscle from the anterior compartment of the leg assists the fibularis longus and fibularis brevis with eversion of the foot?

Answer 40

The fibularis tertius

Question 41

Which nerve innervates the lateral compartment?

Answer 41

The superficial fibular(peroneal) nerve

Question 42

What are the names of the two heads of the gastrocnemius muscle?

Answer 42

The medial head and the lateral head

Question 43

What muscle underlies the gastrocnemius muscle?

Answer 43

The plantaris muscle

Question 44

What movement does the soleus produce?

Answer 44

Plantarflexion

Question 45

What muscles make up the superficial posterior compartment of the leg?

Answer 45

The soleus, The gastrocnemius, Plantaris

Question 46

What muscles make up the deep posterior compartment of the leg?

Answer 46

The popliteus, The tibialis posterior, The flexor digitorum longus, The flexor hallucis longus

Question 47

How many muscles make up the posterior compartment of the leg?

Answer 47

Seven | Three in the superficial posterior compartment and four in the deep posterior compartment

Question 48

What movement does the flexor digitorum longus produce?

Answer 48

Plantarflexion and flexion of the four small toes

Question 49

What movement does the flexor hallucis longus produce?

Answer 49

Plantarflexion and flexion of the big toe

Question 50

What nerve innervates the posterior compartment of the leg?

Answer 50

The tibial nerve