Yeah. A significant number of years ago I was on temporary assignment in London and I decided to attend a fitness training session in Hyde Park that was run by an ex-Royal Marine. I just about managed it without passing out but the next morning I was so stiff that the only way I could brush my teeth was to hold the brush horizontal and stationary whilst I rotated my head from side to side.
![Laughing :-DD](https://www.eevblog.com/forum/Smileys/default/smiley_laughing.gif)
Now I'm older and more sensible.