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 became the first living being to orbit the Earth on Sputnik 2, Nov. 3, 1957. She died several hours into the flight from stress and heat. On May 28, 1959, rhesus monkey Able and squirrel monkey Baker became the first to successfully return to Earth after space flight.