Muscles and their functions

Question 1

for the eyesocket - used for closing eyes

Answer 1

Orbicularis oculi

Question 2

for smiling

Answer 2

Zygomaticus

Question 3

Chewing

Answer 3

Buccinator

Question 4

Round shaped muscle to close mouth or pucker lips

Answer 4

Orbicularis Oris

Question 5

Facial expressions- sadness, suprise, horror

Answer 5

Platysma

Question 6

Chewing (tension headaches happen when this muscle contracts for too long)

Answer 6

Temporalis

Question 7

Connective tissue attaching occipitalis and frontalis

Answer 7

Cranial aponeurosis

Question 8

moving eyebrows

Answer 8

Occipitalis

Question 9

mastication (chewing)

Answer 9

Masseter

Question 10

Neck flexer (laterally rotates head)

Answer 10

Sternocleidomastoid

Question 11

Posture and active movements - tilts and turns head and neck. Raises, retracts, rotates scapula.

Answer 11

Trapezius

Question 12

Arm abduction

Answer 12

Deltoid

Question 13

Flexion, adduction and internal rotation

Answer 13

Pectoralis major

Question 14

Main Elbow flexion of elbow and supination of forearm

Answer 14

Biceps brachii

Question 15

Second main Elbow flexor

Answer 15

Brachialis

Question 16

(Helper) Flexes forearm at elbow

Answer 16

Brachioradialis

Question 17

Flex vertebral column (bend over)

Answer 17

Rectus abdominus

Question 18

Has horizontal muscle fibers, maintains tone of abdominal organs

Answer 18

Transversus abdominus

Question 19

Antagonist of diaphragm

Answer 19

Internal oblique

Question 20

Used for Valsalva maneuver/flexes and rotates vertebral column

Answer 20

External oblique

Question 21

Extension of elbow joint

Answer 21

Triceps brachii

Question 22

Adduct, medially rotate extend arm at the glemohumeral joint

Answer 22

latissmus dorsi

Question 23

straighten the back/side-to-side rotation (3)

Answer 23

ilicostalis
longissmus
spinalis

Question 24

Lateral tilt/ extensor of lumbar spine/ accessory muscle inspiration

Answer 24

Quatratus lumborum

Question 25

Rotator of shoulder/shoulder extension

Answer 25

Infraspinatus

Question 26

Abduction and shoulder stabilization (insertion is the greater turbecle)

Answer 26

Supraspinatus

Question 27

Rotate the humerus/adduct

Answer 27

Teres major + teres minor

Question 28

Pronation and flexion of forearm

Answer 28

Pronator teres

Question 29

supination of forearm

Answer 29

Supinator

Question 30

Flexion of wrist and abduction of wrist towards radius bone

Answer 30

Flexor carpiradialis

Question 31

Flexion and adduction of hand and wrist

Answer 31

Flexor carpiulnaris

Question 32

Flexion of fingers

Answer 32

Flexor digitorum profundus

Question 33

Flexion of fingers and interphalangeal joints (furthest joins in fingers)

Answer 33

Flexor pollicis longus

Question 34

Flexion of thumb interphalangeal joins (gripping)

Answer 34

Flexor pollicus longus

Question 35

Abductor of thumb at wrist

Answer 35

Abductor pollicis longus

Question 36

Protector of flexor tendons and median nerve (the wrist strip, damage will call carpal tunnel)

Answer 36

flexor retinaculum

Question 37

Protector of extendor tendons

Answer 37

Extensor retinaculum

Question 38

Abduct hand at wrist

Answer 38

Extensor carpi radialis

Question 39

Extendor and abduction of wrist

Answer 39

extensor carpiradialus

Question 40

Abducting and extending thighs (2)

Answer 40

Gluteus maximus/medius

Question 41

What is the best place to give a butt injection?

Answer 41

make a quadrant on posterior thigh and inject in upper right (gluteus medius)

Question 42

What is the best place to give a arm injection?

Answer 42

deltoid

Question 43

What is the best place to give a leg injection?

Answer 43

vastus lateralis

Question 44

Hip and knee flexor (crossy leg tailor sit)

Answer 44

Sartorius

Question 45

Extensors of knee (walking, running, jumping, squatting)

Answer 45

Quadritriceps: -rectus femoris -vastus lateralis -vastus medialis

Question 46

Flexion of hip

Answer 46

Rectus femoris

Question 47

Flexes knee and foot

Answer 47

Gatrocnemius

Question 48

Flexes foot to point toe downwards

Answer 48

soleous

Question 49

Flexus of ankle and eversion

Answer 49

fibularis longus

Question 50

Extends foot at ankle and four small digits (plantar flexion)

Answer 50

extensor digitalus longus

Question 51

inversion and dorsiflexion

Answer 51

tibialis anterior

Question 52

Eversion and ankle flexion

Answer 52

fibularus longus

Question 53

Connects gastrocnemius with medial malleolus

Answer 53

Calcaneal (achilles) tendon