The invention relates to an orthopaedic device for a lower limb of a human, including: a front segment (2) suitable for receiving the sole of a forepart； and a rear segment (10) suitable for receiving the lower surface of the heel, characterised in that: the front segment and the rear segment consist of two separate parts, the front segment and the rear segment are connected by at least one resilient upper arch (8) which extends above the front segment and the rear segment, providing a recess for receiving the foot, and is suitable for maintaining the front segment and the rear segment in an inoperative position, such as to enable a relative movement of the front segment and the rear segment relative to one another, from the inoperative position, and to resiliently return said segments to the inoperative position thereof.
