The present invention provides a portable device and method for enhancing blood flow in a limb and for reducing the risk of peripheral vascular disorders formation by applying periodic squeezing forces on a limb, in particular a lower limb. The device comprises an actuator and at least one rigid or semi-rigid flap connected to a housing such as to form an open closure around the limb. The housing contains machinery for actuating periodical change in the position of the at least one between contracted and relaxed position.
