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.

Abstract: A portable leg exercise device kit for use in a limited space. Other embodiments of the portable leg exercise device kit include a case (10) having one or more platform (11) for adjusting leg exercise assembly parts (20), (30), (40) contained inside the case, with interlocking functions (11a), (21a), (22a), (31aa), (31ca) for a simple assembly into a stepping exercise and ankle stretching functions. In addition, simple attachable function (20), (41a) for one or more exercise alteration is also available by assembly (40). Other embodiments include portable leg exercise kit which is fixed (11?), (20?), (30?) to the case wherein assembling effort is saved.

Abstract: A lower body exercise device for use with a seat. Other embodiments of the seat mountable lower body exercise device include a lower body exercise mechanism (20) for simultaneous use by a user while working, reading or doing other sedentary activities, and a simple installation mechanism (10) for various forms of seat. In addition, simple detachable function (11a), (11c), and multiple adjustment functions (21aa), (23), (30) for various user's circumstances is available, and one or more exercise alteration is also available by adjustment (30), (33a), (27c), (24b). Other embodiments include a magnetic cycle system which may reduce the exercise device body (21?) in size.

Abstract: A lower body exercise device for use with a seat. Other embodiments of the seat mountable lower body exercise device include a lower body exercise mechanism (20) for simultaneous use by a user while working, reading or doing other sedentary activities, and a simple installation mechanism (10) for various forms of seat. In addition, simple detachable function (11a), (11c), and multiple adjustment functions (21aa), (23), (30) for various user's circumstances is available, and one or more exercise alteration is also available by adjustment (30), (33a), (27c), (24b). Other embodiments include a magnetic cycle system which may reduce the exercise device body (21?) in size.