Assessment of atrial strain variations in amateur runners: A 10-week unsupervised training program and half-Marathon impact study using 2D and speckle-tracking echocardiography.

Background: Competitive running leads to cardiac remodeling and functional changes in cardiovascular haemodynamics in professional runners. Data on atrial changes in amateur runners completing a half-marathon are limited. The study sought to analyze the impact of training and a 21.