PALO011 ergonomic footrest can ease leg problems and lessen lower back issues. Bumpy surface and rocking movement helps massage tired feet and improve blood circulations. Without the correct support or activity, your feet impact your back, legs, circulation and other areas of the body. Problems in any of these areas are some of the main reasons for lost productivity in the workplace. Its ergonomic design easily adjusts to different angles and has 2 height adjustments.