Mark Rippetoe for those that don't know, is connected with Crossfit and is a lecturer on powerlifting, great exercise quote
The question was –
“…is adding an hours walk as easy cardio helpful, detrimental, irrelevant to strength improvements…”
Rips answer
“Walking for an hour is not exercise. It's shopping.
If you count it at all, in any way, as part of your program ...well, I'll be disappointed