Abstract: A splint for use on a forearm, a wrist, and a hand of a user, including a rigid shell assembly with dorsal and a volar shell bodies, the dorsal and volar shell bodies each including a forearm portion, a wrist portion, and a hand portion. The dorsal and volar shell bodies are configured to releasably receive the forearm, wrist, and hand of the user therebetween. A dorsal compressible assembly and a volar compressible assembly extend along the inner surfaces of the dorsal and volar shell bodies, respectively. The volar compressible assembly includes an inflatable forearm bladder, an inflatable wrist bladder, and an inflatable hand bladder, each of which includes a valve to allow each of the inflatable bladders to be inflated independently of the other inflatable bladders.