Chapter 12 part 1

• physical activity =

  movement (uses energy)
• physical fitness


  ability to carry out daily tasks easily and still have enough energy for other tasks
• teens should have


  60 mins of physical activity everyday
• health benefits


  stronger body, increases energy, and improves posture
• cardiovascular system health benefits


  strengthens heart muscle
• respiratory system


  strengthens lungs
• musculoskeletal system


  strengthens muscles and bones
• mental and emotional health benefits


  reduces stress (manages anger and frustrations), increases self confidence, having a sense of pride and accomplishment and improves mood (endorphins = happy hormones)
• risks of physical inactivity (sedentary


  unhealthful weight gain, lower metabolism, lower self-esteem, life-threatening diseases, such as cardiovascular disease, type 2 diabetes and cancer, risk of osteoporosis
• instead of taking an elevator or escalator


  take the stairs
• instead of playing video and computer games


  play a sport such as BB, VB, or soccer
• IO watching TV


  garden or bush cut
• IO paying for a car wash


  wash you own car
• Define cardiorespiratory endurance (ce)


  heart, lungs, and blood vessels
• Measure cardiorespiratory endurance


  step test
• improve cardiorespiratory endurance


  aerobic activities: distance running, rowing, and dancing
• muscular strength (MS)


  muscle force
• measure muscular strength and muscular endurance


  curl ups and push ups
• muscular endurance


  physical task
• improve muscular strength and muscular endurance


  resistance/ anaerobic activities: free weights, machines, body weight, bench press, and anything pushing against you
• flexibility


  range of motion
• measure flexibility


  sit and reach
• improve flexibility


  stretching exercises
• body composition


  ration of body fat to lean body tissue