Upper limb injuries including the hand and wrist are common in natural disasters and mass casualties. Imagine that the victims are subjects involved in high-speed accidents or natural disasters; they would all try to meet the disaster with outstretched hands. Later, when they struggle for survival, they need to do the utmost using their upper limbs. One could not fail to assume that the classical injuries described systematically in different regions of the body in textbooks would be the presenting pictures. However, if solitary fractures were encountered, the conventional management procedures still need to be followed. Nevertheless, under most circumstances, and it is the intention of this book, much more complicated injuries are expected: multiple fractures, soft tissue crushes, open wounds, contaminations and other associated injuries all coexist.