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IB Diploma Programme: Sports, exercise and health science - All themes

Physical Education

Diploma

Level 3

16 chapters

232 Lessons

2 Free lessons

Welcome to the International Baccalaureate Diploma Programme in Sports, exercise and health science (SEHS) - All themes. This course includes all the content from Theme A: Exercise physiology and nutrition of the human body, Theme B: Biomechanics and Theme C: Sports psychology and motor learning. This course is designed to develop knowledge, understanding and skills of the IB Sports, exercise and health science specification. Each theme includes both Standard Level (SL) content and Higher Level (HL). The HL content is found at the end of each theme. Look out for the **2026 Hot Topics** These are lessons that we highly recommend that students specifically overlearn in preparation for the 2026 exams. Revision infographics, hot topics, mock exam papers, notes and live shows are available to all subscribers.

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Theme A: Communication

The nervous system

Lesson (1/0) 1

**2026 HOT TOPIC** The nervous system

Lesson (2/0) 2

Cardiac control

Lesson (3/0) 3

Breathing control

Lesson (4/0) 4

Thermoregulation

The endocrine system

Lesson (1/0) 1

**2026 HOT TOPIC** Hormones and glands

Lesson (2/0) 2

Reproductive hormones and health

Maintaining homeostasis

Lesson (1/0) 1

Homeostasis

Transport

Lesson (1/0) 1

Cardiovascular values

Lesson (2/0) 2

Respiratory values

Theme A: Hydration and nutrition

Water and electrolyte balance

Lesson (1/0) 1

Intake and loss

Lesson (2/0) 2

Dehydration

Lesson (3/0) 3

Measures of water and electrolyte balance

Lesson (4/0) 4

Regulation of water and electrolyte balance

Lesson (5/0) 5

Cardiovascular drift

Fuelling for health and performance

Lesson (1/0) 1

Macronutrients

Lesson (2/0) 2

Nutritional strategies for macronutrients

Lesson (3/0) 3

LEA

Energy systems

Lesson (1/0) 1

The energy systems

Lesson (2/0) 2

Energy continuum

Lesson (3/0) 3

Oxidative system

Lesson (4/0) 4

**2026 HOT TOPIC** Glycolytic system

Lesson (5/0) 5

Phosphagen system

Lesson (6/0) 6

VO₂ max

Theme A: Response

Qualities of training

Lesson (1/0) 1

Principles of training

Lesson (2/0) 2

Measuring baselines

Lesson (3/0) 3

Periodisation of training

Lesson (4/0) 4

Adaptive responses

Lesson (5/0) 5

Training programmes

Benefits to health of being active

Lesson (1/0) 1

Individual differences and activity

Lesson (2/0) 2

Energy balance

Lesson (3/0) 3

Effects of physical activity

Theme A: Higher Level (HL) only content

Maintaining homeostasis (HL)

Lesson (1/0) 1

Impact of environment 1 - Temperature and humidity (HL)

Lesson (2/0) 2

Impact of environment 2 - Altitude (HL)

Fuelling for health and performance (HL)

Lesson (1/0) 1

Micronutrients (HL)

Lesson (2/0) 2

**2026 HOT TOPIC** The gut microbiome (HL)

Energy systems (HL)

Lesson (1/0) 1

Lactate inflection point (HL)

Lesson (2/0) 2

EPOC (HL)

Benefits to health of being active (HL)

Lesson (1/0) 1

Exercise intensity and injury (HL)

Lesson (2/0) 2

Physical and mental health for target groups (HL)

Fatigue and recovery (HL)

Lesson (1/0) 1

Origins of fatigue (HL)

Lesson (2/0) 2

Recovery from exercise (HL)

Lesson (3/0) 3

Other factors affecting recovery (HL)

Theme B: Generating movement

Human Skeleton

Lesson (1/0) 1

Structure and functions of the skeleton

Lesson (2/0) 2

Positional terminology

Movements

Lesson (1/0) 1

Planes

Lesson (2/0) 2

Axes

Lesson (3/0) 3

Movement patterns

Connective tissues and joints

Lesson (1/0) 1

Connective tissues

Lesson (2/0) 2

Types of joints

Muscular function

Lesson (1/0) 1

Motor units

Lesson (2/0) 2

Role of ATP

Lesson (3/0) 3

Muscle fibre types

Lesson (4/0) 4

Hypertrophy and atrophy

Lesson (5/0) 5

Types of muscular contraction

Lesson (6/0) 6

Antagonistic pairs

Levers in movement

Lesson (1/0) 1

Levers inside the body

Lesson (2/0) 2

Levers outside the body

Theme B: Forces, motion and movement

Newton's law of motion

Lesson (1/0) 1

Introduction to Newton's laws of motion

Lesson (2/0) 2

Stability

Lesson (3/0) 3

**2026 HOT TOPIC** Net Forces: Vertical

Lesson (4/0) 4

**2026 HOT TOPIC** Net Forces: Horizontal

Lesson (5/0) 5

**2026 HOT TOPIC** Linear motion

Lesson (6/0) 6

Impulse

Lesson (7/0) 7

Angular motion and angular momentum

Fluid mechanics

Lesson (1/0) 1

**2026 HOT TOPIC** Factors affecting the motion of projectiles

Movement analysis

Lesson (1/0) 1

Phases of movement

Theme B: Injury

Causes of injury

Lesson (1/0) 1

Intrinsic factors

Lesson (2/0) 2

Extrinsic factors

Lesson (3/0) 3

Acute trauma

Interventions related to injury

Lesson (1/0) 1

Methods of reducing the risk of injury

Lesson (2/0) 2

Injury treatment

Lesson (3/0) 3

Concussion treatment

Theme B: Higher Level (HL) only content

Anthropometry and body segments (HL)

Lesson (1/0) 1

Anthropometry and anthropometric databases (HL)

Sliding filament theory (HL)

Lesson (1/0) 1

Sliding filament theory 1 (HL)

Lesson (2/0) 2

Sliding filament theory 2 (HL)

Collisions (HL)

Lesson (1/0) 1

Coefficient of restitution (HL)

Lesson (2/0) 2

Friction (HL)

Work done (HL)

Lesson (1/0) 1

Work, power and energy (HL)

Fluid mechanics (HL)

Lesson (1/0) 1

Effect of environmental conditions (HL)

Lesson (2/0) 2

Buoyancy, lift and drag (HL)

Lesson (3/0) 3

Bernoulli principle (HL)

Lesson (4/0) 4

Magnus effect (HL)

Causes of injury (HL)

Lesson (1/0) 1

Chronic injuries (HL)

Theme C: Individual differences

Personality

Lesson (1/0) 1

Personality 1

Mental toughness

Lesson (1/0) 1

Mental toughness 1

Lesson (2/0) 2

Mental toughness 2

Theme C: Motor learning

Motor learning process

Lesson (1/0) 1

Information processing model

Lesson (2/0) 2

Ecological model

Lesson (3/0) 3

Open- and closed-loop theory

Lesson (4/0) 4

**2026 HOT TOPIC** Schema theory and motor patterns

Lesson (5/0) 5

Phases of learning

Reaction time

Lesson (1/0) 1

Reaction time

Lesson (2/0) 2

Psychological refractory period

Lesson (3/0) 3

Strategies to improve response time

Transfer of learning

Lesson (1/0) 1

Transfer of learning

Attentional control

Lesson (1/0) 1

Attentional control

Lesson (2/0) 2

Self-talk, goal setting and attention

Theme C: Motivation

Achievement motivation

Lesson (1/0) 1

Achievement motivation

Lesson (2/0) 2

Goal orientation theory

Self-determination

Lesson (1/0) 1

**2026 HOT TOPIC** Self-determination theory

Motivational climate

Lesson (1/0) 1

Mastery and ego climates

Theme C: Stress and coping

Arousal and anxiety

Lesson (1/0) 1

Arousal 1

Lesson (2/0) 2

Arousal 2

Lesson (3/0) 3

IZOF

Lesson (4/0) 4

Anxiety and Anxiety Theories

Lesson (5/0) 5

Measuring anxiety

Coping

Lesson (1/0) 1

Managing stressors

Lesson (2/0) 2

Self-talk

Theme C: Psychological skills

Goal setting

Lesson (1/0) 1

Types of goals

Theme C: Higher Level (HL) only content

Personality (HL)

Lesson (1/0) 1

Personality 2 (HL)

Mental toughness (HL)

Lesson (1/0) 1

Self-fulfilling prophecy (HL)

Lesson (2/0) 2

Learned helplessness (HL)

Lesson (3/0) 3

Attribution theory (HL)

Achievement motivation (HL)

Lesson (1/0) 1

Task and ego orientation (HL)

Self-determination (HL)

Lesson (1/0) 1

Six mini theories of self-determination (HL)

Coping (HL)

Lesson (1/0) 1

Controllable and uncontrollable stressors (HL)

Lesson (2/0) 2

Coping strategies (HL)

Goal setting (HL)

Lesson (1/0) 1

The goal-setting paradox (HL)

Imagery (HL)

Lesson (1/0) 1

Purpose of imagery (HL)

Lesson (2/0) 2

The PETTLEP model (HL)

Lesson (3/0) 3

**2026 HOT TOPIC** Paivio's framework (HL)

**2026 STANDARD LEVEL HOT TOPICS**

**2026 HIGHER LEVEL HOT TOPICS**

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