Can shopping substitute for exercise?

What if…
I parked in the farthest parking spot?
I walked to the far end of each store?
I walk to the end of the strip mall sidewalk?
I wear my tennis shoes?
I raise and lower my shopping bags to increase my muscle mass?
I wear my sports bra?
I stretch before AND after?
I pass a few other shoppers as I stroll along the sidewalk?

This just may be a viable alternative…especially if I skip supper.

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Photo Credit: http://thebuyosphere.files.wordpress.com/2010/11/shopper.jpg