The effect of first-time 4-wheeled walker use on the gait of younger and older adults ABSTRACT Introduction: The 4-wheeled walker is intended to enhance balance and gait for older adults.Yet, some research suggests that walking aids increase falls risk. An understanding of the influence of age with walker use on gait performance is required.Objective: To examine the effect of initial 4-wheeled walker use on spatiotemporal gait parameters between younger and older adults.