Q. I read that it's a good idea to increase electrolyte intake a week before an Ironman in a hot climate. (I'm doing Ironman Nice in June.) What's your advice?A. Warm weather and humidity are important considerations when it comes to planning your

Here's a quick guide to the different types of sports drinkEnergy drinks with electrolytes: the most common, all-round energy drinks. Electrolytes (sodium and potassium) replace the salts lost in sweat and help to reduce cramping, among other things

in high salt losses. The good news is that your body is able to adapt to running in very high temperatures – sweat becomes more dilute and less salt is lost – but large electrolyte losses can still occur. This is the reason why many manual workers in warm

of heat illness HEAT EXHAUSTIONCause Failing to replace fluids and electrolytes when dehydration sets in.Symptoms A core body temperature of 102°F to 104°F, headache, fatigue, profuse sweating, nausea, clammy skin.Action plan Apply a cold pack on the head

. It would actually have been better to have consumed sports drinks, thus taking in electrolytes to ensure the muscle cells were hydrated and balanced with salts and minerals. What I’m getting at is that you can get cramp as a result of very slight

in Reebok’s £50 shoes, the Areeba, and, more recently, the Electrolyte.To all intents and purposes, the bottom half of the new Fusion V is the same as that of the Electrolyte, which it replaces. It has exactly the same broad midsole and outsole, with a

Weight 312g Evaluation Previous Reebok shoes that have used its one-piece Ultralyte midsole and outsole material have been by far the firm's best products. Shoes such as the Electrolyte and Fusion V were good racing shoes for the heavier runner

stimulate the growth of new, stronger muscle fibres. Yet too much stress, too soon, leads to an uncontrollable situation in which cell contents – including vital electrolytes – leak out, upping the likelihood of cramps. Cut it out: Prime your system

Intact Endurance, £19.95James says: Intact Endurance certainly packs a little punch. The 59ml bottle contains four key electrolytes that are lost through exercise – magnesium, chloride, sodium and potassium. Because you only need to add a few drops

the onset of fatigue. The electrolyte content of the gels has also been tweaked. Each now offers more than 80 minerals plus 100mg of sodium per 37g sachet, which work together to improve rehydration, reduce the risk of muscle cramp and boost carbohydrate