Physical Activity Patterns and Assessment in Youth

Youth physical activity encompasses a spectrum of behaviours from light play to structured sports, with patterns shaped by age, gender, culture and environment. Global surveillance indicates that activity levels peak in late childhood then decline sharply during adolescence, often accompanied by an increase in sedentary time. Assessment methods have progressed from self-report questionnaires to objective monitors such as accelerometers and pedometers, providing detailed metrics on daily steps, activity intensity and temporal patterns. Standard guidelines advocate at least 60 minutes of moderate-to-vigorous physical activity (MVPA) per day for young people, yet adherence remains low in many regions. School-based physical education, active transport initiatives and community programmes are pivotal contexts for intervention, while family support and the built environment further influence behaviour. Recent technological advances include wearable devices with machine-learning algorithms that capture complex movement patterns and sleep, enabling personalised feedback. An integrated understanding of these patterns and assessment tools underpins public health policy and supports tailored strategies to promote lifelong physical and mental well-being in youth.

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Physical Activity Patterns and Assessment in Youth publication trend

The graph below shows the total number of articles in physical activity patterns and assessment in youth across all publications each year (not limited to Nature Index journals).

Technical terms

Moderate-to-vigorous physical activity (MVPA): Activity requiring ≥3 metabolic equivalents, typically elevating heart rate and respiration.

Sedentary behaviour: Waking activities with low energy expenditure (≤1.5 metabolic equivalents), such as sitting or reclining.

Accelerometer: A wearable device that records acceleration to estimate the intensity, frequency and duration of movement.

International Physical Activity Questionnaire (IPAQ): A validated self-report tool capturing frequency and duration of physical activity across multiple domains.

References

1. Adolescents’ Participation in School Physical Activity before and during the COVID-19 Pandemic: An Educational Priority. Education Sciences (2023).
2. Physical Inactivity Levels of European Adolescents in 2002, 2005, 2013, and 2017. International Journal of Environmental Research and Public Health (2023).
3. Temporal trends in physical activity levels across more than a decade – a national physical activity surveillance system among Norwegian children and adolescents. International Journal of Behavioral Nutrition and Physical Activity (2021).