Cluster analysis of novel isometric strength measures produces a valid and evidence-based classification structure for wheelchair track racing

The Para athletics wheelchair-racing classification system employs best practice to ensure that classes comprise athletes whose impairments cause a comparable degree of activity limitation. However, decision-making is largely subjective and scientific evidence which reduces this subjectivity is required.To evaluate whether isometric strength tests were valid for the purposes of classifying wheelchair racers and whether cluster analysis of the...