During breathing. the human thorax is expanded or contracted during inspiration and expiration. The morphology of the thorax seems to be determinant for endurance efforts. This study aims to analyse the variation of the thorax cross-sections during running exercises at different intensities and the influence of thorax morphology. https://www.hindigyanvishv.com/best-catch-Sunjoy-9-x-11-Foot-Arched-Pergola-Cover-Backyard-Roof-Canopy-Tent-For-Parts-p29332-mega-find/