With its combination of human physiology, biomechanics, nutrition, psychology, and experimental science , the IB Sports, Exercise and Health Science syllabus can initially feel like several different subjects combined into one. However, the course is structured around three connected themes , all of which are explored through the dual lenses of health and performance . In this post, we’ll break down the syllabus and explain what you can expect to study throughout the course.

The current IB Sports, Exercise and Health Science (SEHS) syllabus is designed for first assessment in 2026 . SEHS is both a human science and an experimental science , combining the study of physiology, biomechanics, and psychology with practical investigations completed in laboratory and field settings. The syllabus is organized into three main themes:

• Theme A – Exercise physiology and nutrition of the human body
• Theme B – Biomechanics
• Theme C – Sports psychology and motor learning

These themes are highly interconnected rather than completely separate units. For example, an athlete's performance may simultaneously depend on their energy systems, movement technique, training programme, motivation, and ability to cope with pressure. The syllabus is therefore designed to encourage students to make connections between different topics rather than simply memorize isolated facts.