爷爷今年68岁。他年轻的时候是个运动健将,不仅喜欢长跑、打球等项目,尤其喜欢举哑铃这种力量型的健身运动。可当他退休后,逐渐上了年纪,他觉得力量训练只是年轻人的事了,老人练练慢跑、打打太极拳就可以了,所以哑铃,他几乎不碰。有一天,他到市里参加一位专家的讲座,说到哑铃锻炼的误区之一,就是此项运动不适合老年人。专家介绍,老年人随着年龄的增长,肌 Grandpa is 68 years old this year. When he was young is a sportsman, not only like long-distance running, playing and other projects, especially like to lift the dumbbells of this type of fitness exercise. But when he retired, he was getting older. He felt that strength training was only a matter for young people. The elderly practiced jogging and practicing Taijiquan. Therefore, he almost did not touch the dumbbells. One day, he went to the city to attend a lecture by an expert. One of the misunderstandings about exercising dumbbells is that the sport is not suitable for the elderly. Expert introduction, the elderly with age, muscle