Abstract: The various embodiments disclosed herein relate to bone fixation devices, including intramedullary fixation or fusion devices. The various devices disclosed include an intermedullary device having a proximal member and a distal member that is articulable in relation to the proximal member. The proximal and distal members have ends that are movably coupled to form a joint that can be actuated to reduce a fracture and realign the bone after insertion of the device into the bone.