A6 is an amputee sport classification used by the International Sports Organization for the Disabled (ISOD) for people with acquired or congenital amputations. People in this class have one arm amputated above or through the elbow joint. Their amputations impact their sport performance, including being more prone to overuse injuries. Sports people in this class are eligible to participate in include athletics, swimming, cycling, amputee basketball, amputee football, lawn bowls, and sitzball.