pe chapter 6

health

health

state of complete physical mental and social wellbeing and not just the absence of disease or infirmity

fitness

ability to cope with demands of the environment

well being

a mix of physical social and mental factors that give people a sense of being comfortable healthy and happy

mental well being positive effects

release feel good hormones, enable controlling emotions, reduce stress

social well being positive effects

provide social opportunites, encourage co operation skills, encourage team work

physical well being positive effects

enables carrying out everyday tasks, helps stop obesity,improve heart function, can reduce risk of some illness

fitness improvements can

reduce injury chance, make you more content,makes physical work easier, improve ability to cope with environment

sedentary lifestyle

choice to engage in little activity

sedentary life consequences

gaining weight, heart disease, insomnia, hypertension, diabetes , fatigue, lack of friends

obesity

large fat content

obese bmi

30 +

underweight bmi

less than 20

correct bmi

20-25

overweight bmi

25-30

bmi equation

weight/height squared

obesity effects physcial

limits speed , agility , flexibility, heart disease/attacks,diabetes, cholesterol rise

obesity effects metbal and social

depression, confidence loss, inability to socialise

bmi disadvantages

not good for u18- still growing , muscle weighs more than fat

endomorph

wide hips, narrow shoulders, fat arms and body , thin ankles

ecto morph

narrow body, thin arms and body, little fat, little muscle

mesomorph

wide shoulder, narrow hips, muscly arms and body, little fat

energy use of man

2500

energy use of woman

2000

energy use can be influenced by

height, gender, age , expenditure

basic metabolic rate

how fast energy is used

effects on bmr

after 25 it decreases, taller needs more calories, men need more calories ,

nutrition

needing different foods for all nutrients, unused energy stored as fat

carbs %

55-60

fat %

25-30

protein %

15-20

carbs use

main energy source for different intensities

protein use

develop muscular strength and repair muscles

fats use

provide low intensity energy, insulation, cell growth

vitamin and mineral use

maintaning efficiency of body processes

dehydration definition

losing more water than taking in

dehydration effects

blood thickens, increase heart rate, muscle fatigue