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.
1 Gene, the first cloned calf in the world was born on February 7, 1997 at the American Breeders Service facilities in Deforest, Wisconsin, USA. 2  Later it was transferred and kept at the Minnesota Zoo Education Center. 3  Three more cloned calves were born in 1998.