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.
Laika entered the Russian space program having been captured as a stray from the streets of Moscow. Before Sputnik 2, rockets had been launched by both the Soviet Union and the U.S. with animals on board-mice, dogs and monkeys, but Laika was the first to reach the upper layers of the atmosphere in low Earth orbit.he first living creature in space was launched on a one way journey on 3 November 1957. Laika in her carrier (source). When, on 4 October 1957, the Soviet Union successfully launched Sputnik 1 as the world's first artificial satellite, the western world took notice.