Dynamic furniture supports a seated or reclining user. The furniture includes a base, an actuator, a seat platform, and a back platform. The actuator is in circular connection to the base. The seat platform is in circular or excentric connection to the actuator assembly. The back platform is in circular or excentric connection to the actuator assembly. The actuator assembly, seat platform and back platform may be restricted in movement along paths by assemblies of the circular or excentric connections.
