T53 is disability sport classification for disability athletics. The class includes people with a number of different types of disabilities including spinal cord injuries. People in this class have full use of their arms but have no or limited trunk function. Similar classifications are T51, T52, and T54. People in this class have a functional upper limbs, but limited trunk usage and limited lower limb functionality. During classification, they both undergo a bench test of muscle strength and demonstrate their skills in athletics. People in this class include Tanni Grey-Thompson (GBR), Samantha Kinghorn (GBR), Angie Ballard (AUS) and Richard Colman (AUS).

T54 is a disability sport classification for disability athletics in the track and jump events. The class includes people with spinal cord injuries who compete using a wheelchair in track events. They have paraplegia, but have normal hand and arm function, normal or limited trunk function, and no leg function. This class includes CP-ISRA classes CP3 and CP4, and some athletes in ISOD classes A1, A2 and A3.