Warburton, D., V. Jamnik, S. Bredin, R. Shephard, and N. Gledhill. “The 2021 Physical Activity Readiness Questionnaire for Everyone (PAR-Q+) and Electronic Physical Activity Readiness Medical Examination (ePARmed-X+): 2021 PAR-Q+”. The Health & Fitness Journal of Canada, vol. 14, no. 1, Apr. 2021, pp. 83-87, doi:10.14288/hfjc.v14i1.351.