Abstract: A leg movement stimulator device for use while sitting. Other embodiments of leg movement stimulator device include leg gliding mechanism (12) to allow simple exercise for user while simultaneously performing other sedentary activities, and extension function (13) for width adjustment, and a diversified movement mechanism (22), (22a) for joints and small muscles stimulation, and data generating and communicating mechanism (30), (30a), (31), (33) with user's smart electronic devices is also available for user's convenience in tracking and monitoring the movement activities. Other embodiments include chair fixing mechanism (14), (14a) to hold the device from moving, and stepper mechanism (11a), (11b), (22a?), (22b) and varied track direction (12c) for diverse exercise of the user.