人的手指能够运动自如,主要取决于大脑对手指的支配作用。如果经常运动手指,就会对大脑有一定的刺激作用。经常利用手指从事灵巧、精细动作的人,较少发生脑萎缩和老年性痴呆症。实践证明,多动手、勤练手指能锻炼大脑,延缓大脑衰老、增进记忆力、预防老年性痴呆症。 People’s fingers can move freely, depending on the dominant role of the brain on the fingers. If you often exercise your fingers, it will have a certain stimulating effect on the brain. People who often use their fingers for dexterous and delicate movements are less prone to brain atrophy and dementia. Practice has proved that more hands-on exercise fingers can exercise the brain, delaying brain aging, improve memory, prevent Alzheimer’s disease.