muscular lab quiz

Question 1

frontalis

Answer 1

forehead; raise eyebrows

Question 2

temporalis

Answer 2

over temporal bone/mandible; chewing and closes jaw

Question 3

masseter

Answer 3

(works with temporalis) mandible/zygomatic process; chewing and closes jaw

Question 4

buccinator

Answer 4

cheek/maxilla/mandible/orbicularis oris; moving food in mouth and compresses cheek

Question 5

orbicularis oculi

Answer 5

around eyes; close eyelids

Question 6

orbilcularis oris

Answer 6

around mouth; closes lips

Question 7

zygomaticus major

Answer 7

cheek bone to corner of mouth; raises corners of mouth to smile

Question 8

platysma

Answer 8

corner of mouth to chest/neck area; tenses skin of neck

Question 9

sternocleidomastoid

Answer 9

mastoid process to sternum; flexion of neck forward/rotation of head

Question 10

intercostal muscles

Answer 10

in-between ribs; stretch for breathing

Question 11

diaphragm

Answer 11

internally separates thorax and abdomen; breathing

Question 12

external oblique

Answer 12

(posterior and anterior) iliac crest/abdomen; rotate and laterally bend torso

Question 13

internal oblique

Answer 13

(posterior and anterior) under external oblique (and works with it); rotate and laterally bend torso

Question 14

transverse abdominis

Answer 14

(posterior and anterior) spine and wraps like a belt on abdomen/under obliques; compresses abdomen

Question 15

rectus abdominis

Answer 15

(6 pack-only anterior) anterior abdomen and pelvis; flexion of spine

Question 16

latissimus dorsi

Answer 16

(posterior) spine and attaches to arm; extensions of arm at shoulder

Question 17

trapezius

Answer 17

(posterior-back of neck-triangle) spine to occipital bone and scapula; raises/rotates/retracts scapula and extends neck

Question 18

erector spinae

Answer 18

(posterior) along spine and series of muscles; extends and bends spine

Question 19

pectoralis major

Answer 19

(anterior) chest/sternum to arm; flexes arm

Question 20

deltoid

Answer 20

(puff sleeve-cuff) crosses shoulder joint/scapula, clavicle, and humerus; abduction and rotations and circumduction

Question 21

biceps brachii

Answer 21

(anterior) shoulder to elbow to ulna; flexion of elbow

Question 22

brachialis

Answer 22

(works with biceps brachii) below biceps brachii and only crosses elbow; flexes elbow

Question 23

brachioradialis

Answer 23

elbow to distal end of radius; pull radius back for supination

Question 24

triceps brachii

Answer 24

posterior to biceps (humerus); extend elbow

Question 25

extensor digitorum

Answer 25

(phalanges-posterior) forearm to tips to fingers; extension of fingers

Question 26

gluteus maximus

Answer 26

(posterior) sacrum and crosses hip; hip extensor

Question 27

gluteus medias

Answer 27

(posterior) under gluteus maximus/iliac crest; abducts and medially rotates thigh

Question 28

iliopsoas

Answer 28

(internal) spine and ilium to femur; flexing hip

Question 29

sartorius

Answer 29

(longest muscle-internal) ilium/hip to tibia; flexes thigh and knee/lateral rotation at hip joint

Question 30

quadriceps

Answer 30

(anterior) femur to knee; extends knee

Question 31

adductor group

Answer 31

(anterior) inside of thigh/pubis to inner thigh; adducts thigh

Question 32

hamstring group

Answer 32

(posterior) 3 muscles on back of thigh/hip and knee; flexes the leg and extends the hip (helps gluteus Maximus)

Question 33

tibialis anterior

Answer 33

lateral to tibia; dorsiflexion/ toes flexed up

Question 34

gastrocnemius

Answer 34

back posterior legs medial to tibia; plantar flexion (jumping and pointing toe)

Question 35

soleus

Answer 35

(works with gastrocnemius) calf muscle to heel bone; plantar flexion

Question 36

fibularis group

Answer 36

outside of leg lateral to tibialis anterior; evert ankle (roll out)