為什麼隨著年齡增長，走路會變慢且更容易疲累
Why Walking Becomes Slower and More Tiring as We Age
Updated at: June 11, 2026 at 11:35 AM
您是否曾經注意到，隨著年齡增長，我們的步行速度會自然變慢，且感覺起來更像是一場健身運動？
Have you ever noticed that as we get older, our walking pace naturally slows down and feels more like a workout?
這不僅僅是因為容易疲勞；這是我們身體為了保持直立所發展出的一種複雜反應。
This isn't just about getting tired; it is a complex response our bodies develop to stay upright.
研究強調了一種「安全至上」的策略，即神經系統將穩定性置於效率之上。
Research highlights a 'safety-first' strategy where the nervous system prioritizes stability over efficiency.
為了保持平衡，年長者經常會使用「共收縮」，即僵硬化關節周圍的肌肉。
To keep balance, older adults often use 'co-contraction,' stiffening muscles around their joints.
此外，小腿肌肉無力會降低身體推動力，導致步伐縮短。
Additionally, weaker calf muscles reduce the body's ability to push off, leading to shorter strides.
由於現在步行需要消耗更多能量，因此感覺比以前更快疲勞是很常見的。
Because walking now requires more energy—a higher metabolic cost—it is common to feel fatigued much faster.
步行速度是衡量健康的重要指標，採取積極主動的措施可以帶來改變。
Gait speed is a vital indicator of health, and proactive measures can make a difference.
針對小腿肌力、平衡和協調的定向運動可以顯著改善您的動作。
Targeted exercises that focus on calf strength, balance, and coordination—such as yoga or Tai Chi—can significantly improve your movement.
透過儘早解決肌肉無力和柔軟度問題，您可以維持自信、高效且獨立的步伐長達數年之久。
By addressing muscle weakness and flexibility early, you can maintain a confident, efficient, and independent gait for years to come.
