Exam 2: Skeletal Muscles and functions (Muscular system diagram)

Question 1

controls blinking and winking and is responsible for “crow’s feet”

Answer 1

orbicularis oculi

Question 2

the “kissing” muscle

Answer 2

orbicularis oris

Question 3

straightens (extends) the leg at the knee and raises (flexes) the thigh; composed of the rectus femoris and vastus lateralis/intermedius/medialis muscles

Answer 3

quadriceps femoris

Question 4

chewing muscle and used to clench teeth

Answer 4

masseter

Question 5

moves (abducts) the arm away from the side of the body

Answer 5

deltoid

Question 6

bends (flexes) the forearm at the elbow

Answer 6

biceps brachii

Question 7

bends (flexes) the vertebral column and compresses the abdomen

Answer 7

rectus abdominis

Question 8

brings (adducts) the arm down and backward behind the body

Answer 8

latissimus dorsi

Question 9

straightens (extends) the forearm at the elbow

Answer 9

triceps brachii

Question 10

straightens (extends) the fingers and wrist

Answer 10

extensor digitorum

Question 11

extends the leg backwards

Answer 11

gluteus maximus

Question 12

bends (flexes) the leg at the knee; part of the hamstring group (semitendinosus and semimembranosus muscles)

Answer 12

biceps femoris

Question 13

turns (extends) the foot downward (e.g., when standing on toes) and bends (flexes) the leg at the knee.

Answer 13

gastrocnemius