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.
First man in space. On 12 April 1961 Russian cosmonaut Yuri Gagarin became the first human in space when he orbited the Earth once during a 108 minute flight. In 1960 Gagarin, a fighter pilot, was shortlisted for the Vostok 1 programme, which built on the success of Sputnik 1 just three years earlier. German Titov was Gagarin's closest rival for selection-both men tried to impress space programme director Sergei Korolev.