Muscles and bones function

Question 1

Compresses cheeks

Answer 1

Buccinator

Question 2

Compresses, purses lips

Answer 2

Orbicularis Oris

Question 3

Closes eyes

Answer 3

Obicularis oculi

Question 4

Raises eyebrows and wrinkles for head

Answer 4

Occipitofrontalis frontal belly

Question 5

Tenses and retracts scalp

Answer 5

Occipital belly

Question 6

Tenses the skin of neck
depresses mandible
pulls lower lip down

Answer 6

Platysma

Question 7

Elevate mandible and closes the jaw

Answer 7

Masseter

Question 8

Elevate mandible

Answer 8

Temporalis

Question 9

Medial: Elevates the mandible encloses the jars or Slides the mandible from side to side
Lateral:Opens jaw Protrudes mandible or performs lateral excursion

Answer 9

Pterygoids

Question 10

Depresses mandible or elevates larynx

Answer 10

Digastric

Question 11

Elevate larynx

Answer 11

Stylohyoid

Question 12

Together they flex the neck alone one side flexes head toward shoulder and rotates face to opposite side

Answer 12

Sternocleidomastoid

Question 13

Elevate ribs

Answer 13

External intercostals

Question 14

Depresses ribs

Answer 14

Internal intercostals

Question 15

Compresses abdomen depresses ribs Flexes or bends Spine

Answer 15

External oblique

Internal oblique

Question 16

Contraction expands thoracic cavity and compresses abdominopelvic cavity

Answer 16

Diaphragm

Question 17

Depresses ribs flexes Vertebral column compresses abdomen

Answer 17

Rectus abdominis

Question 18

Elevate ribs or flex neck

Answer 18

Scalenes

Question 19

Closed urethra Compresses prostate and bulbourethral glands

Answer 19

External urethral sphincter

Question 20

Tenses floor of pelvis Flexes coccygeal joints elevates and retracts anus

Answer 20

Levator Ani lliococcygeus

Question 21

Closes anal opening

Answer 21

External anal Sphincter

Question 22

Elevates scapula

Answer 22

Levator Scapulae

Question 23

Adducts Scalpula And performs downward rotation

Answer 23

Rhomboid major

Question 24

Protracts Shoulder rotates scapula so glenoid Cavity moves superiorly

Answer 24

Serratus anterior

Question 25

Depends on active region and state of other muscles may elevate retract depressed or rotate scapula upward elevate clavicle or extend neck

Answer 25

Trapezius

Question 26

Abduction at shoulder flexion and medial rotation extension and lateral rotation

Answer 26

Deltoid

Question 27

Abduction at shoulders

Answer 27

Supraspinatus

Question 28

Medial rotation at shoulder

Answer 28

Subscapularis

Question 29

Extension adduction And medial rotation at shoulder

Answer 29

Teres minor

Question 30

Lateral rotation at shoulder

Answer 30

Infraspinatus

Question 31

Flexion abduction and medial rotation at shoulder

Answer 31

Pectoralis major

Question 32

Extension abduction and medial rotation at shoulder

Answer 32

Latissimus dorsi

Question 33

Flexion at elbow and shoulder supination

Answer 33

Biceps brachii

Question 34

Flexion at elbow

Answer 34

Brachialis

Question 35

Flexion at elbow

Answer 35

Brachioradialis

Question 36

Extensional elbow plus extension and abduction at the shoulder

Answer 36

Triceps brachii

Question 37

Pronation

Answer 37

Pronator quadratus and pronator Teres

Question 38

Supination

Answer 38

Supinator

Question 39

Flexion at wrist

Answer 39

Palmaris longus

Question 40

Extension and abduction at wrist

Answer 40

Extensor carpi radialis longus

Question 41

Flexion at joints of thumb

Answer 41

Flexor pollicis longus

Question 42

Extension and lateral rotation at hip

Answer 42

Gluteus maximus

Question 43

Abduction and medial rotation at hip

Answer 43

Gluteus medius

Question 44

Lateral rotation of hip

Answer 44

Quadratus femoris

Question 45

Flexion at knee Adduction And medial rotation at hip

Answer 45

Gracillis

Question 46

Flexion at knee Extension and lateral rotation at hip

Answer 46

Biceps femoris

Question 47

Flexion at knee Extension and medial rotation at hip

Answer 47

Semitendinosis

Question 48

Flexion at knee extension and medial rotation at hip

Answer 48

Semimembranosus

Question 49

Flexion at knee Flexion and lateral rotation at hip

Answer 49

Sartorius

Question 50

Medial rotation of tibia or lateral rotation of femur at knee

Answer 50

Popliteus

Question 51

Extension at knee flexion at hip

Answer 51

Rectus femoris

Question 52

Extension at knee

Answer 52

Vastus Lateralis and medialis

Question 53

Dorsiflexion at ankle Inversion of foot

Answer 53

Tibialis anterior

Question 54

Plantar flexion at ankle Inversion of Foot extension at knee

Answer 54

Gastrocnemius

Question 55

Plantar flexion at ankle extension at knee

Answer 55

Plantaris

Question 56

Plantar flexion at ankle

Answer 56

Soleus

Question 57

Flexion at joints of great toe

Answer 57

Flexor hallucis longus