As seen in the video, the one arm dumbbell bench row can be a very useful exercise for upper back strength and development. (varietytrainer.com)
You have given very useful exercises for one to do in short time. (blog.nasm.org)
Since it's possible to refinance your mortgage after the initial purchase, tracking mortgage rates is a more useful exercise for current homeowners than it is for people just starting out. (valuepenguin.com)