Prosthetics and Orthotics

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Abstract

More than 100,000 major lower limb amputations occur annually in the United States, and most are the result of dysvascular disease. There are more than 500,000 amputee survivors currently in the United States. There are at least 10 times more lower extremity amputations than there are upper extremity amputations. The primary cause of lower limb amputation in the age group older than 50 years is diabetes and vascular disease. The primary cause of lower limb amputation in the age group younger than 50 years is trauma. The primary cause of upper limb amputation is also trauma. The distribution and relative energy costs for lower limb amputation are outlined in Table 1.