Move your body. Engage your mind.
Physical activity is associated with improvements in executive function: planning, inhibition, working memory and cognitive flexibility. The skills behind decisions, attention and problem-solving.

Body & mind · One ambition

Performance isn't just what your body can do. It's what your mind can accomplish. The connection runs both ways: exercise can support cognition, while attention, decisions and mental fatigue can influence physical performance.
Three connections worth knowing
Physical activity is associated with improvements in executive function: planning, inhibition, working memory and cognitive flexibility. The skills behind decisions, attention and problem-solving.
Higher cardiorespiratory fitness is generally associated with better cognitive outcomes. The relationship varies with age, the ability being measured and other factors—there isn't one universal result.
Demanding cognitive work can increase the effort you feel during endurance exercise. Mental fatigue can affect performance even when your physiological capacity hasn't meaningfully changed.
01 / The evidence
A 2025 umbrella review in the British Journal of Sports Medicine analyzed 2,724 randomized controlled trials involving 258,279 participants.
Across those trials, exercise showed average benefits for general cognition, memory and executive function compared with control groups.
0.42
General cognition
Effect size · SMD
0.26
Memory
Effect size · SMD
0.24
Executive function
Effect size · SMD
Standardized mean differences, not percentage improvements or correlation coefficients. Positive values favor exercise. Randomized trials provide stronger evidence of a causal benefit than observational correlations.
British Journal of Sports Medicine · 2025 umbrella review02 / Thinking skills
A 2024 meta-analysis of 42 randomized trials included 2,881 healthy adults aged 45 and older. Aerobic exercise improved some thinking skills—but not all.
These findings don't establish that fitter people are necessarily more successful professionally, or that the same effects apply to every athlete.
PubMed · 2024 aerobic exercise meta-analysis| Cognitive ability | Effect size | Finding |
|---|---|---|
| Working memory | 0.392 | Improved |
| Cognitive flexibility | 0.343 | Improved |
| Inhibitory control | 0.229 | Improved |
| Planning | 0.094 | No significant improvement |
Effect sizes as supplied in the research brief. The planning figure (0.094) has not been independently verified; the published abstract reports no improvement in planning.
03 / Mental fatigue
A 2026 sport-related meta-analysis associated mental fatigue with worse decision-making, technical performance and reaction time. Mental readiness deserves a place alongside physical preparation.
0.67
Performance deterioration · Hedges' g
0.61
Performance deterioration · Hedges' g
0.50
Performance deterioration · Hedges' g
Rounded effect sizes for deterioration associated with mental fatigue, not percentage declines.
2026 mental fatigue and sport-performance meta-analysis
The body follows where the mind leads.

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