Chapter 15: Muscles

Question 1

flexion

Answer 1

decreasing the angle between two bones; bending a limb

Question 2

extension

Answer 2

increasing the angle between two bones; straightening out a limb

Question 3

abduction

Answer 3

movement away from the midline of the body

Question 4

adduction

Answer 4

movement toward the midline of the body

Question 5

rotation

Answer 5

circular movement around an axis

Question 6

internal rotation

Answer 6

toward the center of the body

Question 7

external rotation

Answer 7

away from the center of the body

Question 8

dorsiflexion

Answer 8

decreasing the angle of the ankle joint so that the foot bends backward (upward)

Question 9

plantar flexion

Answer 9

motion that extends the foot downward toward the ground

Question 10

supination

Answer 10

the act of turning the palm up, outward roll of the foot

Question 11

pronation

Answer 11

the act of turning the palm down, inward roll of the foot

Question 12

fascia

Answer 12

fribrous membrane separating and enveloping muscles

Question 13

insertion of a muscle

Answer 13

connection of the muscle to a bone that moves

Question 14

origin of a muscle

Answer 14

connection of the muscle to a stationary bone

Question 15

striated muscle

Answer 15

muscle connected to bones; voluntary or skelatal muscle

Question 16

visceral muscle

Answer 16

muscle connected to internal organs; involuntary or smooth muscle

Question 17

fasci/o

Answer 17

fascia (forms sheaths enveloping muscles)

Question 18

fibr/o

Answer 18

fibrous connective tisue

Question 19

leiomy/o

Answer 19

smooth (visceral) muscle that lines the walls of internal organs

Question 20

my/o

Answer 20

muscle

Question 21

myocardi/o

Answer 21

heart muscle

Question 22

myos/o

Answer 22

muscle

Question 23

plant/o

Answer 23

sole of the foot

Question 24

rhabdomy/o

Answer 24

skeletal (striated) muscle connected to bones

Question 25

sarc/o

Answer 25

muscle and flesh

Question 26

-asthenia

Answer 26

lack of strength

Question 27

-trophy

Answer 27

development, nourishment

Question 28

ab-

Answer 28

away from

Question 29

ad-

Answer 29

toward

Question 30

dorsi-

Answer 30

back

Question 31

poly-

Answer 31

many, much