Cervical neck brace comprises an anterior brace element, and a posterior brace element which is engaged or engagable with the anterior brace element. The anterior brace element is positionable anteriorly on a user to extend across a cervical vertebral region, and the posterior brace element is positionable posteriorly on the user to extend across the cervical vertebral region. The posterior brace element is a sheet including a central support, an occipital support, and two activation arms, which are hingably connected to the central support. The posterior brace element has a first storage condition and a second in-use condition. A posterior cervical neck brace device and a method of supporting a vertebral region of a user are also provided.
