Fitness9th Grade

By: Eliza Henry

Do Now:

On a sheet of paper list the physical activities that you participate in on a regular basis

ObjectivesUnderstand the importance of regular

physical activity through out lifespanExamine the effects of regular physical

activity on the body systemsAnalyze the relationship between regular

physical activity and disease preventionDiscover ways to incorporate physical activity

into daily life

Physical ActivityAny form of movement that causes your body

to use energy

Physical Fitness The ability to carry out daily tasks easily and

have enough reserve energy to respond to unexpected demands

Benefits of Physical Activity

Cardiovascular System

Strengthens heart muscle, allowing it to pump blood more efficiently

Continued…Respiratory System

Able to breathe larger amounts of air Muscle used in respiration don’t tire easily

Ex: Run farther with out being out of breath

Continued…Nervous System

Respond more quickly to stimuli Physical activity can improve reaction time

InactivityMore than 1 and 3 teens are not activeActivity declines in teen years

73% of 9th graders61% of 12th graders

Sedentary Lifestyle A way of life that involves little activity

Ex: Watching T.V. Playing video games Playing on the computer

Negative Effects: Weight gain Type 2 diabetes

STOP

More risks to Inactivity

Osteoporosis – decrease in bone density, producing porous and fragile bones

Reduced ability to manage stress

Decreased opportunity to meet and form friendships

Physical Activity & Weight ControlCDC reports:

More then ½ of American adults are overweight

17% of children to teens (age 2- 19) are overweight

5 Components of Fitness

Cardiorespiratory Fitness Ability of the heart, lungs, blood vessels to

utilize and send fuel and oxygen to the body’s tissues during long periods of moderate-to vigorous activity

Muscular Strength Amount of force a muscle can exert

Example? Weight- liftingRope climbing

Muscular Endurance The ability of the muscles to perform physical

tasks over a period of time without becoming fatigued

Flexibility The ability to move a body part through a

range of motion

Example:Sit and Reach test

Body Composition The ratio of body fat to lean body muscle

Including:MuscleBoneWater Connective tissue

How does Exercise benefit YOU?Exercise improves your mood Exercise combats chronic diseasesExercise helps you manage your weightExercise boosts your energy levelExercise promotes better sleepExercise can be FUN!

Be Physically Active!!!