Rolling walker can also be divided into: two-wheeled, 3 wheel walker, 4 wheel walker. It can have a variety of forms with seats, hand brakes, and other auxiliary support functions.
The two-wheeled walker is easier to operate than the wheelless walker and can be pushed forward by the user. Front-wheel fixed walker, wheels only rolling forward or backward, good direction, but the turn is not flexible enough.
The four wheel walker is flexible in operation and can be divided into four types of wheel rotation and front wheel rotation and rear wheel fixation.