Forearm crutches, also known as Canadian or Lofstrand crutches (Figure 7), are used for patients requiring bilateral upper-extremity support with occasional weight bearing. An advantage of forearm crutches is that they allow the hands to be free without disengaging the crutch from the forearm.
10-animal cloning. Dolly the sheep was the first animal to be cloned from the cell of an adult animal. http://www.ornl.gov/sci/techresources/Human_Genome/elsi/cloning.shtml.
No one really knows for sure what the first mammal was, but there are two top contenders for the title: the Megazostrodon and the M â¦ organucodon. Both are believed to have lived around 200 million years ago and the species are closely related. 2 people found this useful.he first mammal to orbit the earth was the dog Laika on November 3 1957 in the Soviet satellite Sputnik 2. which was not designed for her retrieval. Unfortunately Laikia died about six hours after launch.