Which of the Following Is True of Rollator Walkers

Multiple Choice

Which of the following is true of rollator walkers?

A) They allow patients to walk with less energy expenditure than standard walkers.
B) They are hinged in the middle to allow the walker to be advanced one side at a time.
C) The patient propels the device using the lower extremities from a seated position.
D) They are ideal for patients who have difficulty ambulating short distances.