Fitness companies have caught on to the fact that these devices deliver an intense full-body workout. Credit...Melissa Lukenbaugh for The New York Times Supported by By Dana G. Smith Rowing ...

Any row would also work as a rear delt exercise ... Other pieces of equipment you could use for rows are cable machines, ...

Rowing machines provide a great workout but they do take up a lot of space, which is why many fold in half. The King Smith WR1 takes things a step further, by folding in thirds to form a wheeled ...