Gait disorders in the elderly are common and in most cases cannot be treated medically or surgically. Therefore, treatment often relies on ambulatory devices such as canes, crutches, and walkers. Before selecting a device, the patient should be evaluated to define whether one or both upper extremities are required to achieve balance or bear weight.
The first living thing to go in space is a dog named Laika a russian dog that captured in moscow when its on space she died a few weeks.
Kerwin. Weitz. The first American laboratory in space, Skylab, was launched on the last Saturn 5 rocket, to be joined on May 25 by its crew: Conrad, Weitz (the first American physician-astronaut), and Kerwin. The crew made repairs to the lab which was damaged during launch.