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Deconditioning: How Inactivity Gradually Weakens Your Body
Have you ever felt unusually weak after spending several days in bed or recovering from an illness? This may be due to deconditioning.
Deconditioning happens when reduced physical activity causes the body to lose strength, fitness and the ability to perform everyday activities.
When muscles are used less, they gradually lose strength and size. Prolonged inactivity can also reduce cardiovascular fitness, endurance and balance. Even standing, walking or climbing stairs may begin to feel more difficult.
These changes can start within days of significant inactivity, especially in older adults and people recovering from illness or hospitalisation.
A vicious cycle can follow: less movement causes weakness, and weakness makes further movement more difficult.
The good news is that deconditioning is often reversible, at least partly.
When medically safe, early mobilisation, regular walking, gradual strength training and adequate nutrition, including sufficient protein, can help restore physical function. Some people may benefit from supervised physiotherapy or rehabilitation.
However, certain illnesses and injuries require temporary activity restrictions, so recovery plans should be individualised.
The key message: Your body adapts to how much you use it. Staying appropriately active during illness and recovery can help preserve strength, independence and quality of life.
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