Sean Tweedy

Sean developed the Adapted Physical Activity Program (APAP), a theory-driven physical activity promotion program for community dwelling people disabilities. A controlled clinical trial demonstrated its efficacy in people with acquired brain injury, providing impetus for its implementation into the Acquired Brain Injury-Transitional Rehabilitation Service, Queensland’s primary rehabilitation service for people with brain injury. APAP also runs on a cost recovery basis from UQ and each year more than 100 community dwelling adults with a wide range of disabilities are referred. To refer a client visit - https://hmns.uq.edu.au/apap/.

Our research group developed the Maximum Allowable Standing Height (MASH) rule for the International Paralympic Committee (IPC) which is the international standard used to ensure the prosthetics used by bilateral lower limb amputees are anatomically proportional. In 2019 Mr Blake Leeper (USA), a bilateral transtibial amputee and elite 400 m sprinter, applied to World Athletics (WA, Previously IAAF)to run at the 2021 Tokyo Olympic Games (i.e., against non-disabled runners). In support of his application Mr Leeper provided a scientific report which claimed to show that his prosthetics did not provide him with a competitive advantage. Our group were engaged by WA to evaluate the scientific merit of Mr Leeper's application. We assessed Mr Leepers report and a range of other scientific evidence and advised WA that, on the balance of probabilities, Mr Leepers prosthetics did confer an advantage his application should be rejected. Mr Leeper contested the decision but on 26.10.21 the Court of Arbitration for Sport (CAS) ruled in support of our assessment (CAS2020/A/6807). In December 2020 Mr Leeper challenged the CAS decision on the grounds that the scientific evidence provided by our group was racially discriminatory. However, on 11.6.21, CAS once again ruled in our favour and found our methods were not racially discriminatory (decision announced, grounds pending).

Sean is first author on the IPC Position Stand – Background and Scientific Principles of Classification in disability sport which is among the most highly cited scientific papers in the field (263 citations) and which has also been incorporated verbatim into the IPC Handbook (Chapter 4.4), the common repository for all guiding documents for the Paralympic movement