athletes describe it as the heart stopping and then restarting, or a rapid fluttering. Many of the causes are innocent but some do require further specialist investigations.The heart normally beats in a regular (sinus) rhythm with the upper chambers (atrium

be worth checking with your GP, and asking for an x-ray and blood tests to check that there are no clinical problems in your spine.—Martin Haines, chartered physiotherapist and sports medicine specialist

.  Best Retailer SweatshopFounded in 1971 in Teddington, Middlesex by Olympic champion Chris Brasher, Sweatshop has grown into the largest specialist running shop in the country, with 29 branches and an online presence. It offers a huge product range

.Best Retailer: SweatshopThe largest specialist running shop in the country picks up its fourth straight win in this category - and for very good reason. The company's slogan, "We Know Running", is backed up by solid and clear advice from the clued-up staff

UAN: 169 Article type:--One lap of a standard athletics track, 400m efforts make a simple stock session for shorter-distance racing, but are also a good work-out for anyone looking to improve their pure speed. 1500m specialists will probably run 8

- of the musculoskeletal system won't enable you to perform to your full running potential and, worse still, may see you stepping ever closer to injury.Check your competency "It's all about physical competence," says running coach and movement specialist Kelvin Giles

. Their second job is to map out your training. And their final job is to prevent you from straying from that programme, probably by running too much or too fast. You can find a coach by joining a club, asking around, calling specialist running shops and checking

body temperature drops and your body prepares for sleep. This is why sleep specialists recommend no vigorous exercise in the evening. (Hint, hint.) Milk and bananas provide a good source of the amino acid tryptophan, which is converted into melatonin

Runner’s World, the ASICS Target 26.2 coaches, ASICS gear specialists and Bupa’s team of experts. From an exclusive private opening of the ASICS flagship store to Bupa’s top-to-toe fitness assessment, this truly VIP experience was the perfect way to start

himself more a memory specialist than a brain-chemicals man, but Dietrich has run six marathons with a best of 2:52, and he had to think about something when he was out there.From his readings in the field, Dietrich knew about a brain receptor site first