I strongly disagree. While I prefer cycling or running to a stationary bike or threadmill, I can use the latter without worrying about the hazards of traffic or

I strongly disagree. While I prefer cycling or running to a stationary bike or threadmill, I can use the latter without worrying about the hazards of traffic or terrain when I'm exhausted after a long day of work. I've hurt my ankle too often while running in nature absent-mindedly.