**2026 HOT TOPIC** Linear motion
IB Diploma Programme: Sports, exercise and health science - Theme B: Biomechanics
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Content Notes
Generating movement
Human skeleton
Structure and functions of the skeleton Positional terminology
Movements
Planes Axes Movement patterns
Connective tissues and joints
Connective tissues Types of joints
Muscular function
Motor units Role of ATP Muscle fibre types Hypertrophy and atrophy Types of muscular contraction Antagonistic pairs
Levers in movement
Levers inside the body Levers outside the body
Forces, motion and movement
Newton's laws of motion
Introduction to Newton's laws of motion Stability **2026 HOT TOPIC** Net Forces: Vertical **2026 HOT TOPIC** Net Forces: Horizontal **2026 HOT TOPIC** Linear motion Impulse Angular motion and angular momentum
Fluid mechanics
**2026 HOT TOPIC** Factors affecting the motion of projectiles
Movement analysis
Phases of movement
Injury
Causes of injury
Intrinsic factors Extrinsic factors Acute trauma
Interventions related to injury
Methods of reducing the risk of injury Injury treatment Concussion treatment
Higher Level (HL) only content
Anthropometry and body segments (HL)
Anthropometry and anthropometric databases (HL)
Sliding filament theory (HL)
Sliding filament theory 1 (HL) Sliding filament theory 2 (HL)
Collisions (HL)
Coefficient of restitution (HL) Friction (HL)
Work done (HL)
Work, power and energy (HL)
Fluid mechanics (HL)
Effect of environmental conditions (HL) Buoyancy, lift and drag (HL) Bernoulli principle (HL) Magnus effect (HL)
Causes of injury (HL)
Chronic injuries (HL)
**2026 HOT TOPICS**
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