Less is More and More is Less When Exercising

Short bursts of high intensity sprints â€" known to benefit muscle and improve exercise performance â€" can improve the function and structure of blood vessels, in particular arteries that deliver blood to the muscles and heart, according to new research from McMaster University. The study, lead by kinesiology doctoral student Mark Rakobowchuk, is published online in the journal American Journal of Physiology. Regulatory, Integrative & Comparative Physiology. The findings support the idea th