A splint assembly comprising a first section with at least one compartment and one or more rigid members positioned within the at least one compartment, the one or more rigid members providing a rigid dimensional axis and at least one flexible dimensional axis and at least one second section configured to couple with the first section, the at least one second section comprising at least one compartment and one or more rigid members positioned within the at least one compartment, so that the at least one second section has a rigid dimensional axis and at least one flexible dimensional axis and at least one attachment member is operatively coupled to the at least one second section.