Chapter 8 Flashcards
(30 cards)
What are benefits of exercise
Improved lung function, more efficient heart, less fatigue
Define isometric exercise
Does not produce movement and muscle does not shorten
Example of isometric exercises
Pushing against a wall, weight lifting
Isometric exercise are called
Strength training exercise
Define isotonic exercises
Produce movement at a joint, muscles change in length
Examples of isotonic exercises
Walking, breathing, lifting, etc
Isotonic exercises are also
Aerobic exercises
Example of tetanic contraction
Braxton hicks
Endurance training is also called
Aerobic training
Define hypertrophy
Increase in muscle size
Define atrophy
Shrinking of a muscle
An exercise that increases the muscle size
Strength training exercises
What are Synergist muscles?
Muscles that help other muscles produce movement
What are prime movers?
Muscle responsible for a movement
Muscle fatigue is caused by
Oxygen debt, lack of ATP, lactic acid buildup in the muscles
Example of voluntary muscle
Skeletal muscle
Example of involuntary muscle
Cardiac and smooth muscle
What is flexion?
Angle between the bones decreases
What is Extension
Straightening or stretching of a muscle
Extension does what to the angle between the bone
Increases the angle
Define abduction
Moving away from the midline
Define rotation
Movement around a longitudinal axis
Example of rotation
Moving head from side to side, when you are saying no
Define pronation
Turn hand from anterior to posterior, turn down
