اصل و ترجمه مقاله لاتین Cardiac responses to exercise in competitive child cyclists

Cardiac responses to exercise in competitive child cyclists Abstract PURPOSE: Cardiovascular responses to exercise in highly trained child endurance athletes have not been well-defined. This study compared hemodynamic responses with progressive cycle exercise in seven competitive child cyclists (mean age 11.9 yr) compared with 39 age-matched untrained boys. METHODS: Doppler echocardiography and gas exchange variables were utilized to assess cardiovascular changes during submaximal and maximal e ...