2.1 FITNESS CHAPTERS 4.1/4.2 UNIT 2 – NUTRITION & FITNESS

Standard 2 Objective 2  a. Describe the elements of physical fitness  b. Develop strategies for maintaining life-long fitness and avoiding the consequences of inactivity  c. Identify and investigate available fitness resources Objective 3  b. Explore the short and long term effects of poor nutrition and inactivity  c. Evaluate the strengths and weakness of various body-weight indicators

What is Physical Activity? Physical Activity – Any form of movement that causes your body to use energy.  Example: sports, walk the dog, wash the car  What physical activities do you include in your daily routine? Physical Fitness – Ability to carry out daily demands and have enough energy to respond to unexpected demands.

Benefits of Physical Activity Physical Health  Cardio Vascular System – Strengthens heart  Respiratory System – Increases lung capacity and improves endurance  Nervous System – Increases reaction time Mental/Emotional Health  Improves concentration  Reduces stress  Increases self-confidence about the way you look and feel Social Health  Opportunity to interact and socialize with others that have the same interests as you

Easy Steps To Be More Active Take stairs instead of the elevator. Play sports instead of video games. Walk, Jog, or Bike to where you need to go. Be active around the house. (Mow the lawn, gardening, wash the car, etc.)

Risk of Inactivity Sedentary Lifestyle – Way of life that involves little to no physical activity. **COUCH POTATO**

Sedentary Lifestyle Risks Obesity: having an excess amount of body fat Overweight: condition in which a person is heavier that the standard weight range for his or her height.  15% of teens are overweight  Caused by consuming too many calories and inactivity  Increased risk of type 2 diabetes, asthma & cancer Diabetes – disease that prevents the body from converting food into energy.

Risks Associated with Weight Underweight: a person is less than the standard weight range for his or her height.  Decreased ability to fight diseases  Chronic fatigue Osteoporosis – decrease in bone density producing fragile bones.

Weight Control Metabolism – how the food you eat, gives energy to your body. Increase in Physical Activity = Increase in Metabolism Increase in Metabolism = More energy burned/used More energy used = Increase in weight loss

Body Composition & BMI Body Composition – Ratio of body fat to lean body tissue. How much of your body is composed of fat and how much is everything else? Males- 25% or more Females- 30% or more Body Mass Index (BMI)- a ratio that allows you to assess your body size in relation to your height and weight. Equals risk of cardiovascular disease

Body Composition Tests Hydrostatic Weighing Skinfold Calipers (easiest) Bod Pod (most accurate)

COMPARE AND CONTRAST WRITE ONE PARAGRAPH COMPARING THE EFFECTS OF A PHYSICALLY ACTIVE LIFESTYLE TO THOSE OF A SEDENTARY LIFESTYLE. QuickWrite

Elements of Fitness Everyone has a different level of physical fitness There are five elements  Cardio Respiratory Endurance  Muscular Strength  Muscular Endurance  Flexibility  Body Composition

Elements of Fitness Cont. Cardio Respiratory Endurance – ability of heart and lungs to provide oxygen to the tissues during long periods of exercise. Cardiovascular disease is the leading cause of death in the U.S. Keeping your heart healthy, prevents disease  Can you run a mile without stopping? Or hike without getting tired?  Step Test Activity

Elements of Fitness Cont. Muscular Strength – the amount of force a muscle can exert. Muscular Endurance – how long a muscle can do an activity before it gets fatigued. For activities that involve pushing, lifting or jumping Allows you to carry out your daily tasks without getting fatigued.

Elements of Fitness Cont. Flexibility- the ability to move a body part through a full range of motion. Benefits of being flexible:  Increase athletic performance  Feel comfortable  Reduce the risk of strains and injuries  Sit and reach test What sports or activities require a great deal of flexibility?

Assignment PG 79 #1-5 PG 86 #1-5