at no more than 10 beats over their resting heart rate." That rush of 'fight or flight' adrenalin is there for a purpose – to elevate your core temperature and prime your muscles for action – but you need to control it if you're going long, says Pedlar
imbalances – little wonder that in a typical year nearly two-thirds of runners will suffer an injury that is bad enough to put them out of action.BREAK IT: Complement your running with some conditioning-specific work. "Focusing on core stability keeps
-long threshold session, a 10K hills session and a 45-minute recovery run, along with a full gym session cross-training and focusing on my core. Because I have relatively little time, Keith makes sure that each session is focused on achieving something
