. As a coach, he's helped marathon runners to British senior international level, British age group records and London Marathon age group wins. Sam is a keen runner and one of the UK's leading fitness experts. She
, pancreas, kidneys and respiratory systems," she says.Only two poses in and already a large portion of your body and internal organs have been woken up and brought, blinking sleepily, into play.Running Benefits"Runners' backs take a hell of a pounding," says
