Most also have arm levers that provide upper body exercise. Tests founded that walkers ranged from fair to very good at aerobic exercise. A major drawback with walkers that were tested is that they could not be adjusted for leg length. This made use uncomfortable for tall and short people. Three of the nine walkers tested failed the durability tests.
Riders offer benefits to the whole body, plus light to moderate aerobic exercise.
A major problem with the riders tested by Consumers Union is durability. Five out of seven models had parts break during testing. One of the major attractions of walkers and riders is their price. For the most part, however, walkers and riders are recommended for those just beginning to exercise. The more fit you are, the less effective this equipment is.