It is quite common to see older people exercising these days.
In principle this is a good thing.
However, there are many
people running without consideration of good posture; stooped back, hunched
shoulders and dropping heavily into their knees.
There are reckless cyclists
charging down country pathways where a mishaps could mean broken bones and a
Weight lifters shorten their muscles and maintain a
permanently distorted, hunched posture.
Aging cannot be avoided. But you
can choose how to exercise. Not all physical pursuits are wise for the over-40's.
Choose your exercise appropriately.