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.
The first American in space: Alan Shepard was launched into space aboard Mercury 3 on May 5, 1961 to become the first American in space. His craft did not achieve orbit, but rose to a height of 116 miles and traveled 303 miles before safely parachuting into the Atlantic Ocean.