CHAPTER 12 Flashcards
Physical Activity
any form of movement that causes your body to use energy
What does physical activity benefit?
Just about every system in your body, also including mental/emotional and social heealth
Physical fitness
the ability to carry out daily tasks easily and have enough reserve energy to respond to unexpected demands
What can activity do?
strengthen your muscles and bones, boost your energy level, or improve your posture
Excercise
purposeful physical activity that is planned structured, and repetitive and that improves or maintains physical fitness
Cardiovascular System
Regular physical activity strengthens the heart muscle so that it pumps more blood.
Respiratory System
As your activity level increases, your lungs begin to work more efficiently, pulling in larger amounts of air and increasing the amount of oxygen delivered to your body.
Musculoskeletal System
Physical Activity strengthens muscles and bones, reducing your risk of developing fragile bones as you age.
What are some mental and emotional benefits of physical exercise?
Stress relief, mood enhancement, better sleep, improved self esteem
Sedentary
involving little physical activity
What are a couple health problems that may result from being sedentary ?
obesity, type 2 diabetes, certain types of cancer, asthma, osteoporosis, osteoarthritis, psychological problems, premature death
Cardiorespiratory endurance
the ability of your heart, lungs, and blood vessels to send fuel and oxygen to your tissues during long periods of moderate to vigorous activity
Muscular Strength
the amount of force your muscles can exert
Muscular endurance
the ability of your muscles to perform physical tasks over a period of time
flexibility
the ability to move your body parts through their full range of motion
Body composition
the ratio of fat to lean tissue in your body
Aerobic exercise
includes all rhythmic activities that use large muscle groups for and extended period of time
Anaerobic Excercise
involves intense short bursts of activity in which the muscles work so hard that they produce energy without using oxygen
What is an example of Aerobic exercise
Jogging, swimming, riding a bike.
What is an example of Anaerobic Excercise
Sprinting and lifting weights
What is important for building cardiorespiratory endurance?
Aerobic exercise
What are the three ways to use resistance to strength your muscles?
Isometric exercises, isotonic exercises, and isokinetic exercises
Isometric exercises
Use muscle tension to improve strength with little or no movement of the body part. Ex. pushing against a wall