Physiology, which found that healthy men who performed two separate 30-minute aerobic sessions burned more calories after their workout compared with a single 60-minute trial.McMillan often prescribes same-day split sessions to help his clients overcome time

"I recently found out that I'm pregnant, and have no idea how I should adapt my training. I love running and average 35-40 miles a week. I've trawled the web for advice, but I still feel confused about whether it's safe to continue. I definitely don

Painful, paralysing and PB-unfriendly, cramps can strike at any time. "There's no one definitive cause," saysDr Steve Ingham, head of physiology at the English Institute of Sport (eis2win.co.uk). Research in the Muscle & Nerve Journal shows

can be impaired, increasing its work. But, this ‘visceral pump’ can also be used to your advantage if you breathe in time with your stride frequency. On a steady run, breathe out on every other footfall for the same leg. You’ll know when you’ve got

runners. But whether you run a 2:30 or a 4:30 marathon, you too should up your sleeping game, says Professor Jim Horne from the Sleep Research Centre at Loughborough University. "Consistent, regular, good-quality sleep is vital when training for any

You ache, right? Your arms feel as if they're made of jelly and your belief in the existence of your legs is based solely on the fact that you can stand up and move around, gingerly. Every time you complete a triathlon, the aches and pains

by bacteria, but by viruses and other irritants. These may include catarrh, environmental factors such as the dryness that can occur if you are running with your mouth open all the time, and so on. If these sore throats are happening particularly frequently

close to your physiological limit and forces you to slow down. Cure Ease up soon – or it's game over.LEG CRAMPS Ouch Your muscles are seizing up big time. Science Electrical impulses in the muscles have gone haywire, causing rapid contractions

to help: just tell us where it hurts.VaccinesFind out what vaccines you need in plenty of time before you travel. Here are just some of the nastiest diseases you can be exposed to: hepatitis A and B, typhoid, tetanus, diphtheria, rabies, meningitis

minutes whenever I trained.It was summer and we took a trip to the South of France to stay with my sister. She thought I was mad to be running in my condition. One evening, a doctor came round for an aperitif. I was all but internally examined