lab practical

Question 0

Orbicularis oris

Answer 0

closes lips, kissing and whistling muscle

Question 1

Orbicularis oculi

Answer 1

closes eye

Question 2

frontalis

Answer 2

raises eyebrows

Question 3

masseter

Answer 3

prime mover of jaw closure

Question 4

temporalis

Answer 4

closes jaw

Question 5

platysma

Answer 5

tenses skin , depresses mandible

Question 6

Zygomaticus

Answer 6

turns up the lateral portions of the mouth -smile

Question 7

Sternocleidomastoid

Answer 7

together:flexes head
Apart: rotates head to opposite shoulder

Question 8

diaphragm

Answer 8

expands thoracic cavity (inspiration)

Question 9

External Intercostals

Answer 9

expands thoracic cavity (inspiration)

Question 10

Internal Intercostals

Answer 10

Internal intercostals compresses thoracic cavity (forced expiration)

Question 11

rectus abdominus

Answer 11

Flex and rotate lumbar region

Question 12

external oblique

Answer 12

trunk rotation

Question 13

internal oblique

Answer 13

trunk rotation

Question 14

Transverse abdominus

Answer 14

increase intraabdominal pressure

Question 15

erector spinea

Answer 15

extends back

Question 16

trapezius

Answer 16

stabilizes scapula (raise, retract & rotate too)

Question 17

rhomboids

Answer 17

Stabilize scapula, adducts scapula

Question 18

latissimus dorsi

Answer 18

extends and adducts shoulder joint

Question 19

pectoralis major

Answer 19

Prime mover of arm flexion

Question 20

pectoralis minor

Answer 20

Stabilizes pectoral girdle

Question 21

serratus anterior

Answer 21

“Boxer’s muscle”

Question 22

brachialis

Answer 22

major forearm flexor

Question 23

biceps brachii

Answer 23

flexes elbow joint, supinates forearm

Question 24

triceps brachii

Answer 24

extends elbow joint

Question 25

deltoid

Answer 25

abducts shoulder joint

Question 26

sartorius

Answer 26

Sartorius flexes and abducts hip joint

Question 27

rectus femoris

Answer 27

extends knee joint, flexes hip joint

Question 28

vastus lateralis

Answer 28

extends knee joint

Question 29

vastus medalis

Answer 29

Vastus medialis extends knee joint

Question 30

vastus intermedius

Answer 30

extends knee joint

Question 31

tensor fascia latae

Answer 31

steadies knee and trunk on thigh by making ilio tibial tract taut

Question 32

gracilis

Answer 32

adducts hip joint

Question 33

tibialis anterior

Answer 33

prime mover of dorsiflexion

Question 34

gluteus maximus

Answer 34

major extensor of thigh

Question 35

gluteus medius

Answer 35

steadies pelvis especially during walking

Question 36

semitendinosus

Answer 36

flexes knee joint, extends hip joint

Question 37

semimembranosus

Answer 37

flexes knee joint, extends hip joint

Question 38

gastrocnemius

Answer 38

plantar flexion

Question 39

soleus

Answer 39

plantar flexion