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Why your habit of swinging your leg could be linked to stress, alertness and even metabolism

Habitual leg swinging, often dismissed as restlessness, is a subtle physiological response that can increase energy expenditure by nearly 16.3 percent during sitting. This movement may signal emotional or mental restlessness, boredom, or a natural attempt to counter prolonged inactivity. While it can aid focus, excessive or uncomfortable movement warrants attention.