Athletes who are in a wheelchair due to spinal cord injury or are an amputee are in classes T51 – T58. Classes T51 – T54 are for athletes in a wheelchair who are competing in track events, and classes T55 – T58 are for athletes who are competing in field events. An athlete who is classed as T54 is completely functional from the waist up. An athlete who is classed as T53 has restricted movement in their abdominals. An athlete who is classed as either T52 or T51 has restricted movement in their upper limbs.