An ankle-foot orthosis having an ankle sleeve 104 for arranging around an ankle and comprising first and second guide members 106a 106b and a line (116 Fig 3) having a first end which extends around the first guide member and a second end which extends around the second guide member. The first and second ends of the line are operable to be reversibly attached together (e.g. tied in a knot) between the first and second guide members and in use the first and second guide members change the direction of the first and second ends of the line, respectively. Preferably the first and second guide members are hooks and located on opposite sides of the ankle in use. Preferably a further guide member is located centrally. The sleeve may have first and second attachmenet members 114/112 Fig 2, e.g. a hook and loop fastener system. The line may be the size of a standard laced shoe eyelet and may be elastic. A foot sleeve may be used with the ankle sleeve and has an attachment point (126 Fig 6) for receiving the line. A kit of parts and method of attaching the orthosis is also claimed.
