Burgess, T. (2019) “The effect of the contract-relax-antagonist-contract (CRAC) stretch of hamstrings on range of motion, sprint and agility performance in moderately active males: A randomised control trial”, South African Journal of Sports Medicine, 31(1), pp. 1–5. doi: 10.17159/2078-516X/2019/v31i1a6091.