He had to carry out these amputations very quickly .
他必须快速地截肢。
40 % Of amputations are above the knee , 50 % are below the knee , and 10 % are at the hip .
40%的截断位于膝盖上方，50%位于膝盖以下，还有10%位于臀部。
People in occupational therapy may be coping with conditions such as birth defects , autism , juvenile rheumatoid arthritis , developmental delays , burns , amputations , or severe injuries .
