just half-tired, after a run, you aren't going to get the best out of a strength-training exercise. Mental and physical fatigue may well interfere with your posture to the extent that you end up doing the exercises with poor form and getting injured. I

make him fatigued. There’ll also be issues with swallowing because the treatment is in the back of his throat."But for Dave, running will be a central part of his recovery. "He’s got a five-mile route that he ran the morning he went into hospital

you cough and breathe – if there are any of those symptoms, do not run. The risks of running with a viremia are long term fatigue or cardiac complications that may atop you running for months; the complications of running with bronchospasm or pluerisy

I completed my first marathon this year (London). I had a fantastic experience and loved every minute of it. But afterwards I found my body was fatigued more than I expected, and I couldn't run much for at least a month, and even after that only a bit

Tri idiots (heroes) need a complete rest day because we need our arms for bike and swimming. But if you're marathon only, and you're not weight training your legs, upper body training shouldn't be an issue. If you were complaining of fatigue

're fairly niggle free – if you complete training sessions feeling mentally better then when you started, and you're physically "pleasantly fatigued" (as opposed to quite sore) – don't change. – nrg-bInvest in good cushioningI run on my toes naturally

that viral infections may start to affect health when mileage is pushed over 70/week. Interesting that you do over 70mpw and the fatigue kicks in when you stress further, such as for races. – Raymond McMillanYour heart rate says it allA couple of years ago I