The article above, written a long time ago, is just such good information.
Yes, Qigong exercise is very valuable for seniors. Together with Tai Chi Movements, they are longevity exercises and involve the whole body in a very gentle way.
They're so easy to learn too.
There is no danger there to hurt oneself.
There are only benefits. They are Balance Exercise for Seniors!
It's all in the positive, for one's health, well-being and longevity. The practice helps develop concentration and also natural meditation.