Stuart J.H. Biddle is Professor of Physical Activity and Health, and Director of the Centre for Health Research at the University of Southern Queensland, near Brisbane, Australia.

Nanette Mutrie is Chair of Physical Activity for Health and Director of the Physical Activity for Health Research Centre at the University of Edinburgh, Scotland.

Trish Gorely is Professor of Physical Activity for Health in the Department of Nursing and Midwifery at the University of the Highlands and Islands, Scotland.

Guy Faulkner is Chair (Professor) in Applied Public Health and Head of the Population Physical Activity (Pop PA) Lab in the School of Kinesiology at the University of British Columbia, Canada.

Section 1

1. Introduction and Setting the Scene

Section 2

2. Physical Activity and Psychological Well-Being

3. Physical Activity and Self-Esteem

4. Physical Activity and Cognitive Functioning

5. Physical Activity and Clinical Depression

6. Physical Activity and Other Mental Health Challenges: Anxiety, Schizophrenia, and Substance Use Disorders

7. Physical Activity Correlates, Determinants, and Barriers

Section 3

8. Common Theories 1 - Social Cognitive and Motivational Approaches

9. Common Theories 2 - Stage-Based Approaches

10. Automatic and Dual-Process Approaches

Section 4

11. Physical Activity Interventions: Planning and Design

12. Physical Activity Interventions for Young People

13. Physical Activity Interventions for Adults and Older Adults

Section 5

14. Psychology of Sedentary Behaviour

Section 6

15. Commentary and Recommendations