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1、Unit 2: Physical Activity & Nutrition,Chapters 4 - 6,Chapter 4: Physical Activity for Life,Introductory Questions #1,Do the “Quick Start” activity on pg. 74 Give three positive aspects of being physically active. Name the three body systems mentioned that are improved after being physically active.
2、What are some ways that physical activity can improve your mental/emotional health. Approximately, how many teens do not participate regularly in vigorous activity? What are some of the risks of inactivity? What kinds of disorders can occur? How much exercise is recommended by Health professionals?,
3、Physical Activity & Fitness (Pgs. 74-77),Physical activity is any form of movement that causes your body to use energy. Physical fitness is the ability to carry out daily tasks easily and still have enough energy to respond to other demands.,Benefits of Physical Activity,Physical activity benefits a
4、ll sides of your health triangle Mental/emotional: less stress, improved mood & self-concept Social: builds self-confidence, increases interaction with others, less stress improves relationships Physical: stronger body, increased energy, & benefits many body systems (cardiovascular, respiratory, & n
5、ervous),Dangers of Inactivity (pg. 77),Some facts from the CDC 1 in 3 teenagers does NOT engage in regular physical activity. Physical activity usually declines significantly during adolescence. Only 29% regularly attend PE A sedentary lifestyle can result in unhealthy weight gain & other life threa
6、tening diseases.,Introductory Questions #2 (Pg. 80-86,Name the five areas of total health-related fitness. What is the “Three minute Step Test” used for? What are the three ways explained in your text that allows you to measure muscular strength and Endurance? What are two main categories of exercis
7、es? What is the “pinch test” measure? (see pg. 83) What is your resting heart rate and your target heart range? How is an isometric exercise different from an isotonic exercise? (see pg. 85) Why is stretching so important before you work out?,5 Elements of Fitness (pgs. 80-81),Cardiovascular enduran
8、ce Muscular strength Muscular endurance Flexibility Body composition,Improving Your Fitness (pgs. 83-84),Aerobic vs. Anaerobic Exercises Aerobic:uses large muscle groups, is rhythmic, & can be maintained for at least 10 minutes three times a day or for 20-30 minutes at one time. Anaerobic: intense s
9、hort bursts of activity,Introductory Questions #3 (pg. 87-92),What is the first step in establishing physical activity into your daily routine? How much physical activity should teens get each day according to the USDA? (see pg. 87) Draw a physical activity pyramid in your notes. What is at the top
10、and bottom of your pyramid? (see pg. 88) Effective fitness programs are based on three principles. Name these three principles (pg.90) What does F.I.T.T. stand for? (see pg. 91) What does “the cool” down period do to your muscles? (pg. 92) What is the average resting heart rate for most people? (see
11、 pg. 92),Planning a Personal Activity Program,See figure 4.3 on page 88 Factors: Cost Location Your level of health Time & place Personal safety Address ALL areas of the 5 elements of fitness,Physical Activity 101,Overload: work the body harder than normal Progression: gradual increase of overload S
12、pecificity: specific exercises are geared toward specific areas of improvement,Physical Activity 101,Warm-up Workout frequency intensity time/duration type Cool-down,Safety & Precautions,Have a balanced diet Hydrate! Get adequate sleep Dont smoke, drink, or do drugs Avoid “performance enhancing” sub
13、stances Anabolic steroids,Take vitamins Health screening Use the proper equipment,Introductory Questions #4 (lessons 4 &5),What are the benefits of being well hydrated? (pg. 94) What are anabolic steroids similar to? What are the side effects of taking steroids? When and why do doctors prescribe ste
14、roids to patients? (see pg. 94) If you get injured while doing a physical activity what do you need to do? How is a strain different from a sprain? (pg. 102) What does R.I.C.E. stand for and what does it remind us to do? (pg. 102) How is a fracture different from a dislocation? (see pg. 103) What is
15、 tendonitis and how does it occur?,Anabolic steroids are usually synthetic variants of testosterone Use of these substances can cause serious health problems,Anabolic steroids and related substances pose health risks,Figure 3.10,Minor & Major Injuries,Muscle cramp Spasm or tightening Strain Damaging
16、 a muscle or tendon Sprain An injury to the ligament surrounding a joint,Fractures Any break in a bone Dislocations When a bone is forced from its normal position at a joint Tendonitis Tendons are stretched or torn from overuse Concussions Swelling of the brain,Physical Injuries,Hot-weather risks Heat exhaustion Overheating of the body from overexertion in hot, humid weather Heat cramps Muscle spasms from the loss of salt & water through sweat Heatstroke The bodys inability to rid itself of excess heat through sweat,
