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.
Guy Bluford became the first African American in space on Aug. 30, 1983, aboard the Challenger on NASA's eight space shuttle mission (STS-8). Credit: NASA Guion Guy Bluford is a former NASA astronaut who was the first African-American to fly into space. He flew four shuttle missions.