Muscles

Question 1

Epicranius (Frontalis & Occipitalis)

Answer 1

raise eyebrows & pull scalp posterior

Facial nerve, CN VII

Question 2

Obicularis Occulii

Answer 2

Closes eye

Facial nerve, CN VII

Question 3

Obicularis Oris

Answer 3

Closes lips

Facial nerve, CN VII

Question 4

Zygomaticus

Answer 4

Raises corners of mouth

Question 5

Buccinator

Answer 5

Compresses Cheek, assists during chewing Facial nerve, CN VII

Question 6

Masseter

Answer 6

Elevates mandible

Trigeminal nerve, CN V

Question 7

Temporalis

Answer 7

Elevates & retracts mandible

Trigeminal nerve, CN V

Question 8

Platysma

Answer 8

Tenses skin of anterior neck and depresses mandible

Question 9

Sternocleidomastoid Muscle ( SCM)

Answer 9

Unilateral action rotate&flex; Bilateral action neck flexion
Spinal accessory nerve, CN XI

Question 10

Erector Spinae (iliocostalis,longissimus&spinalis)

Answer 10

Extend spine “I LOVE SPINE”; semispinalis is synergistic with these muscles

Question 11

Rectus Abdominus

Answer 11

Flexes spine and trunk

Question 12

External Oblique

Answer 12

Rotates spine & trunk

Question 13

Internal Oblique

Answer 13

Rotates spine & trunk

Question 14

Transversus Abdominus

Answer 14

Compresses abdominal contents

Question 15

Trapezius

Answer 15

Elevates scapula & extend head/neck

Spinal accessory nerve, CN XI

Question 16

Pectoralis Major

Answer 16

Flexion of humerus

Question 17

Latissimus Dorsi

Answer 17

Extension of humerus

Question 18

Deltoid

Answer 18

Primarily Abduction of humerus

Question 19

Triceps Brachii

Answer 19

Extensor of elbow

Question 20

Biceps Brachii

Answer 20

Strong Flexor of elbow Powerful supinator of forearm

Question 21

Brachialis

Answer 21

Strongest Flexor of elbow

Question 22

Brachioradialis

Answer 22

Synergist Flexion of elbow

Question 23

Iliopsoas (Psoas Major & Iliacus muscles)

Answer 23

Prime Hip flexor

Question 24

Sartorius

Answer 24

Synergist; Flex knee/hip & External rot femur Tailor’s muscle

Question 25

Adductor Group (Adductor Longus,Adductor Magnus & Adductor Brevis)

Answer 25

Adductus Hip

Question 26

In the Adductor Group - Gracillis Adductus Hip

Answer 26

Adductus Hip

Question 27

Rectus Femoris

Answer 27

Extension of Knee & flexion of hip | 1/4 of Quadriceps Femoris, Inn by Femoral Nerve

Question 28

Vastus Lateralis/Medialis/Intermedialis

Answer 28

Extension of knee Other 3/4 of Quadriceps Femoris, Inn by Femoral Nerve

Question 29

Gluteus Maximus

Answer 29

Extension of Hip

Question 30

Gluteus Medius

Answer 30

Abduction of hip

Question 31

Biceps Femoris

Answer 31

Flexion of knee & Extension of Hip 1/3 of Hamstrings, Inn by Sciatic Nerve

Question 32

Semitendinosis/Semimembranosis

Answer 32

Flexion of knee & Extension of Hip Other 2/3 of Hamstrings, Inn by Sciatic Nerve

Question 33

Tibialis Anterior

Answer 33

Dorsi Flexion of foot

Question 34

Extensor Digitorum Longus

Answer 34

Extension of toes

Question 35

Fibularis Longus

Answer 35

Eversion of foot

Question 36

Soleus

Answer 36

Strongest Plantar flexor

Question 37

Gastrocnemius

Answer 37

Plantar Flexion