Chapter 8

Question 1

What are the benefits of exercise?

Answer 1

Improve lung function
More efficient heart
Less fatigue

Question 2

Define isometric exercises?

Answer 2

Does not produce movement and muscle does not shorten

Question 3

Examples of isometric exercise are?

Answer 3

Pushing against a wall

Weight lifting

Question 4

Isometric exercises are also called?

Answer 4

Strength training exercises

Question 5

Define isotonic exercises

Answer 5

Produce movement at a joint, muscles change in length

Question 6

Examples of isotonic are?

Answer 6

Walking, breathing, lifting

Question 7

Isotonic exercises are also called?

Answer 7

Aerobic exercises

Question 8

Example of tetanic contraction

Answer 8

Braxton Hicks

Question 9

Endurance training is also called?

Answer 9

Aerobic training

Question 10

Define hypertrophy

Answer 10

Increase in muscle size

Question 11

Define Atrophy

Answer 11

Shrinking of muscle

Question 12

What is disuse-atrophy?

Answer 12

Shrinking of muscle due to inactivity

Question 13

An exercise that increases the muscle size?

Answer 13

Strength training exercises

Question 14

What are synergist muscles?

Answer 14

Muscles that help other muscles produce movement

Question 15

What are prime movers?

Answer 15

Muscle responsible for movement

Question 16

Muscle fatigue is caused by?

Answer 16

Oxygen debt
Lack of ATP
Lactic acid buildup in the muscles

Question 17

Example of voluntary muscle

Answer 17

Skeletal muscle

Question 18

Example of involuntary muscle

Answer 18

Cardiac and smooth muscle

Question 19

What is flexion?

Answer 19

Angle between the bones decreases

Question 20

What is extension?

Answer 20

Straightening or stretching of a muscle

Question 21

Extension does what to the angle between the bone?

Answer 21

Increases the angle

Question 22

Define abduction?

Answer 22

Moving away from the midline

Question 23

Define adduction?

Answer 23

Moving towards the midline

Question 24

Define rotation?

Answer 24

Movement around longitudinal axis

Question 25

Example of rotation

Answer 25

Moving head from side to side when you are saying no

Question 26

Define pronation?

Answer 26

Turn hand from anterior to posterior turned down

Question 27

Define supination?

Answer 27

Palm turned to anterior position

Question 28

Dorsiflexion refers to?

Answer 28

Foot movements

Question 29

Define dorsiflexion?

Answer 29

Toes pointing upward

Question 30

Define plantar flexion?

Answer 30

Toes pointing downward

Question 31

What is neuromuscular junction?

Answer 31

Point of contact between a nerve ending and the muscle fiber