LE Muscle Actions

Question 1

What is the action of the Tensor Fascia Lata?

Answer 1

Abduct the hip joint

Question 2

What are the actions of the sartorius?

Answer 2

Flexor, abductor and lateral rotator of hip joint
Flexor and medial rotator of the knee joint

Question 3

What are the actions of the Rectus Femoris?

Answer 3

Flexor of the hip joint
Extensor of the knee joint

Question 4

What is the action of the Vastus Lateralis?

Answer 4

Extensor of the knee joint

Question 5

What is the action of the Vastus Medialis?

Answer 5

Extensor of the knee joint

Question 6

What is the action of the Vastus Intermedius?

Answer 6

Extensor of the knee joint

Question 7

What is the action of the Pectineus?

Answer 7

Adduction of the hip joint

Question 8

What is the action of the Adductor Brevis?

Answer 8

Adduction of the hip joint

Question 9

What is the action of the Adductor Longus?

Answer 9

Adductor of the hip joint

Question 10

What is the action of the Adductor Magnus?

Answer 10

Fibers from the ischiopubic ramus: Adductor of the hip joint
Hamstring part: Flexor of the knee joint

Question 11

What is the action of the Gracilis?

Answer 11

Adduction of the hip joint

Question 12

What is the action of the Tibialis Anterior?

Answer 12

Dorsiflexion of the foot at the ankle joint

Question 13

What is the action of the Extensor Digitorum Longus?

Answer 13

Dorsiflexion of the foot at the ankle joint, MTP, PIP, and DIP joints

Question 14

What is the action of the Extensor Hallucis Longus?

Answer 14

Dorsiflexion of the 1st MTP and IP joints

Question 15

What is the action of the Fibularis Tertius?

Answer 15

Dorsiflexion of the foot at the ankle joint

Question 16

What is the action of the Fibularis Longus?

Answer 16

Eversion of the ankle joint

Question 17

What is the action of the Fibularis Brevis?

Answer 17

Eversion of the ankle joint

Question 18

What is the action of the Extensor Digitorum Brevis?

Answer 18

Dorsiflexion of the middle three toes at the MTP and PIP joints

Question 19

What is the action of the Extensor Hallucis Brevis?

Answer 19

Dorsiflexion of the great toe at the MTP joint

Question 20

What is the action of Gluteus Maximus?

Answer 20

Extensor and lateral rotator of the hip joint

Question 21

What is the action of the Gluteus Medius?

Answer 21

Abductor and medial rotator of the hip joint
Tilts the pelvis when walking

Question 22

What is the action of the Gluteus Minimus?

Answer 22

Abductor and medial rotator of the hip joint
Tilts the pelvis when walking

Question 23

What is the action of the Piriformis?

Answer 23

Lateral rotator of an extended thigh

Question 24

What is the action of the Gamellus Superior?

Answer 24

Lateral rotator of the hip joint

Question 25

What is the action of the Gamellus Inferior?

Answer 25

Lateral rotator of the hip joint

Question 26

What is the action of the Obturator Internus Tendon?

Answer 26

Lateral rotator of the hip joint

Question 27

What is the action of the Quadratus Femoris?

Answer 27

Lateral rotator of the hip joint

Question 28

What is the action of the Biceps Femoris?

Answer 28

Flexor of the knee joint

Question 29

What is the action of the Semitendinosus?

Answer 29

Flexor of the knee joint

Question 30

What is the action of the semimembranosus?

Answer 30

Flexor of the knee joint

Question 31

What is the action of the Gastrocnemius?

Answer 31

Plantar flexion of the ankle joint

Question 32

What is the action of the Plantaris?

Answer 32

Plantar flexion of the ankle joint

Question 33

What is the action of the Soleus?

Answer 33

Plantar flexion of the ankle joint

Question 34

What is the action of the Flexor Hallucis Longus?

Answer 34

Plantar flexion of the great toe

Question 35

What is the action of the Flexor Digitorum Longus?

Answer 35

Plantar flexion of the lateral four toes (MTP, PIP, DIP)

Question 36

What is the action of the Tibialis Posterior?

Answer 36

Invertor and Adductor of the fore part of the foot

Question 37

What is the action of the Abductor Hallucis?

Answer 37

Abduction of the great toe

Question 38

What is the action of the Flexor Digitorum Brevis?

Answer 38

Plantar flexion of MTP and PIP

Question 39

What is the action of the Abductor Digiti Minimi?

Answer 39

Abduct the little toe

Question 40

What is the action of the Flexor Digitorum Accessorius/Quadratus Plantae?

Answer 40

Corrects the diagonal pull of the flexor digitourm longus

Question 41

What is the action of the lumbricals?

Answer 41

Plantar flexion at the MTP joints of the lateral four toes Dorsiflexion at the PIP joints of the lateral four toes

Question 42

What is the action of the Adductor Hallucis?

Answer 42

Adduction of the great toe