Physical Activity and Mental Health During the COVID-19 Pandemic

The COVID-19 pandemic precipitated unprecedented restrictions on movement and social contact, with widespread implications for psychological well-being. Physical activity emerged as both a casualty of lockdown measures and a vital protective factor against depression, anxiety and stress. Reductions in organised exercise, closure of recreational spaces and heightened sedentary behaviour exacerbated negative mood states, while informal movement such as walking and home-based workouts offered accessible means to sustain mental resilience. Across age groups, those with pre-existing vulnerabilities—older adults, individuals living alone and persons with chronic conditions—experienced pronounced declines in activity and concurrent rises in psychological distress. Conversely, small doses of movement, including brief bouts of moderate-to-vigorous activity, were linked to improvements in mood, sleep quality and overall life satisfaction. Digital platforms and exergaming provided alternative avenues to preserve routine and social connection when conventional venues were inaccessible. As societies transition to post-pandemic phases, integration of physical activity into public health strategies remains essential to mitigate long-term mental health consequences and to enhance adaptive capacity in future crises.

Research from Nature Portfolio

Recent studies have illuminated neural mechanisms underpinning the mood-enhancing effects of physical activity during periods of social isolation. In a community-based cohort of young adults, continuous monitoring via wearable accelerometers and electronic diaries revealed that even low levels of movement attenuated negative affect associated with prolonged separations. Functional neuroimaging further demonstrated that individuals with heightened connectivity within the default mode network—often implicated in depressive risk—derived greater emotional benefit from brief activity bouts. These findings underscore a compensatory role for physical activity in daily life and highlight its potential to counteract isolation-induced mood disturbances, offering a scalable strategy for mental health promotion in both pandemic and non-pandemic contexts.

Physical Activity and Mental Health During the COVID-19 Pandemic publication trend

The graph below shows the total number of articles in physical activity and mental health during the covid-19 pandemic across all publications each year (not limited to Nature Index journals).

Technical terms

Accelerometry: A method of measuring and recording movement intensity and frequency using wearable devices that capture acceleration data.

Default mode network: A set of brain regions showing synchronized activity at rest, often linked to self-referential thought and vulnerability to depressive symptoms.

Moderate-to-vigorous physical activity (MVPA): Exercise intensity levels that elevate heart rate and breathing, typically including brisk walking, running or cycling.

Meta-analysis: A statistical technique that combines data from multiple studies to estimate overall effect sizes and assess consistency of findings.

References

1. Real-life behavioral and neural circuit markers of physical activity as a compensatory mechanism for social isolation. Nature Mental Health (2024).
2. Physical activity and mental health in children and youth during COVID-19: a systematic review and meta-analysis. Child and Adolescent Psychiatry and Mental Health (2023).
3. The Change in Exergaming From Before to During the COVID-19 Pandemic Among Young Adults: Longitudinal Study. JMIR Serious Games (2023).
4. Is Physical Activity Associated with Less Depression and Anxiety During the COVID-19 Pandemic? A Rapid Systematic Review. Sports Medicine (2021).