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This lesson covers Topic 1 of Component 2: Health, Fitness and Wellbeing. This topic examines the relationship between physical activity, health, fitness, and overall wellbeing. It also covers diet and nutrition, energy balance, somatotypes, and the consequences of a sedentary lifestyle. These are frequently tested areas and are popular contexts for the 9-mark extended response question on Component 2.
It is essential to know the precise definitions — these are commonly tested in 1–2 mark questions.
| Term | Definition |
|---|---|
| Health | A state of complete physical, mental, and social wellbeing, and not merely the absence of disease or infirmity (WHO definition) |
| Fitness | The ability to meet the demands of the environment |
| Wellbeing | A positive state where a person feels content, healthy, and happy in their physical, emotional, and social life |
| Exercise | A form of physical activity done to maintain or improve health and/or physical fitness — it is planned, structured, and purposeful |
| Sedentary lifestyle | A way of life that involves little or no physical activity, where a person spends the majority of time sitting or lying down |
Exam Tip: "Health" and "fitness" are NOT the same thing. A person can be very fit (e.g. a professional footballer) but not healthy (e.g. they have an injury or illness). A person can be healthy (no disease) but not particularly fit (e.g. they cannot run 5km). The exam regularly tests whether you understand this distinction.
Physical activity and exercise contribute to all three aspects of wellbeing:
graph TD
PA["Physical Activity"]
PH["Physical Benefits"]
EM["Emotional Benefits"]
SO["Social Benefits"]
PA --> PH
PA --> EM
PA --> SO
PH --> PH1["Reduced risk of CHD,<br/>type 2 diabetes, obesity"]
PH --> PH2["Stronger bones and muscles"]
PH --> PH3["Improved cardiovascular<br/>endurance and flexibility"]
PH --> PH4["Healthy body composition"]
EM --> EM1["Reduced stress and anxiety"]
EM --> EM2["Improved self-esteem<br/>and confidence"]
EM --> EM3["Release of endorphins<br/>(feel-good chemicals)"]
EM --> EM4["Better sleep quality"]
SO --> SO1["Making friends and<br/>social interaction"]
SO --> SO2["Sense of belonging<br/>to a team or club"]
SO --> SO3["Development of<br/>teamwork and<br/>communication skills"]
SO --> SO4["Opportunities for<br/>cooperation and<br/>competition"]
style PA fill:#2980b9,color:#fff
style PH fill:#27ae60,color:#fff
style EM fill:#e67e22,color:#fff
style SO fill:#8e44ad,color:#fff
| Category | Benefit | Explanation |
|---|---|---|
| Physical | Reduced risk of coronary heart disease (CHD) | Regular exercise strengthens the heart, lowers blood pressure, and reduces cholesterol, all of which reduce the risk of CHD |
| Physical | Reduced risk of type 2 diabetes | Exercise helps regulate blood sugar levels and improves insulin sensitivity |
| Physical | Healthy body composition | Exercise burns calories and builds muscle, helping to maintain a healthy ratio of fat to lean tissue |
| Physical | Stronger bones | Weight-bearing exercise stimulates bone growth, increasing bone density and reducing the risk of osteoporosis |
| Emotional | Improved self-esteem | Achieving fitness goals and improving physical appearance boost confidence and self-worth |
| Emotional | Stress relief | Exercise triggers the release of endorphins, which reduce feelings of stress and anxiety |
| Emotional | Better mental health | Regular physical activity is associated with lower rates of depression and anxiety |
| Social | Social interaction | Sport provides opportunities to meet people, form friendships, and develop a sense of community |
| Social | Teamwork skills | Team sports develop cooperation, communication, and leadership skills |
| Social | Sense of belonging | Being part of a sports team or club gives a sense of identity and belonging |
Somatotypes are body type classifications. The Edexcel specification requires you to know three somatotypes and their link to sport.
| Somatotype | Characteristics | Typical Sports |
|---|---|---|
| Ectomorph | Tall, thin, narrow shoulders and hips, low body fat, long limbs | Long-distance running, high jump, basketball |
| Mesomorph | Muscular, wide shoulders, narrow hips, low body fat, athletic build | Sprinting, gymnastics, swimming, rugby |
| Endomorph | Wide hips, narrow shoulders, higher body fat, shorter limbs, pear-shaped | Sumo wrestling, shot put, weightlifting (heavyweight) |
Key points about somatotypes:
Exam Tip: The exam may ask you to link a somatotype to a specific sport and explain why. For example: "A mesomorph is suited to sprinting because their muscular build and low body fat allow them to generate high levels of power and speed." Always explain the link — do not just state the somatotype and the sport.
| Nutrient | Function | Food Sources | Link to PE |
|---|---|---|---|
| Carbohydrates | Primary energy source; stored as glycogen in muscles and liver | Bread, pasta, rice, potatoes, fruit | Main fuel for both aerobic and anaerobic exercise |
| Fats | Secondary energy source; insulation; protection of organs | Butter, oil, nuts, cheese, avocado | Main fuel for low-intensity, long-duration exercise |
| Protein | Growth and repair of muscle tissue | Meat, fish, eggs, beans, dairy | Essential for muscle recovery after exercise |
| Vitamins | Various metabolic functions; support immune system | Fruit, vegetables, dairy | Vitamin D for bone health; B vitamins for energy metabolism |
| Minerals | Bone health (calcium); oxygen transport (iron) | Dairy (calcium), red meat (iron), bananas (potassium) | Calcium for strong bones; iron for oxygen transport in blood |
| Water | Hydration; temperature regulation; transport of nutrients | Water, sports drinks, fruit | Critical during exercise to prevent dehydration and maintain performance |
| Fibre | Aids digestion; helps maintain healthy weight | Wholegrain bread, vegetables, fruit, oats | Supports overall health and energy balance |
Energy balance is the relationship between energy intake (calories consumed through food and drink) and energy expenditure (calories burned through basal metabolic rate, physical activity, and digestion).
| Scenario | Energy Intake vs Expenditure | Result |
|---|---|---|
| Balanced | Energy in = Energy out | Weight stays the same |
| Positive energy balance | Energy in > Energy out | Weight gain (excess stored as fat) |
| Negative energy balance | Energy in < Energy out | Weight loss (body uses fat stores for energy) |
graph LR
EI["Energy Intake<br/>(food and drink)"]
EE["Energy Expenditure<br/>(BMR + activity + digestion)"]
B["Balanced = Stable weight"]
P["Positive = Weight gain"]
N["Negative = Weight loss"]
EI -- "equals" --> B
EI -- "exceeds" --> P
EE -- "exceeds" --> N
style B fill:#27ae60,color:#fff
style P fill:#e74c3c,color:#fff
style N fill:#f39c12,color:#fff
An athlete's diet should be adjusted to match the demands of their sport:
| Sport Type | Dietary Emphasis | Reason |
|---|---|---|
| Endurance (marathon, cycling) | High carbohydrate (60–70% of diet); moderate fat | Glycogen is the primary fuel; carbo-loading before events maximises glycogen stores |
| Power/strength (sprinting, weightlifting) | High protein; moderate carbohydrate | Protein is needed for muscle growth, repair, and recovery |
| Weight-making sports (boxing, judo) | Carefully controlled calorie intake | Athletes must manage weight to compete in specific weight categories |
| Any sport on competition day | Eat 2–3 hours before; high carbohydrate, low fat, low fibre | Provides energy without causing digestive discomfort |
A sedentary lifestyle involves spending the majority of time in activities that require very little physical effort — sitting at a desk, watching television, using electronic devices, and driving.
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