Does it matter if that pause between sets turns into a full-blown chat with the dude who spotted you last week? The short answer is “yes”. Making the appropriate ‘rest’ periods an integral part of your training is non-negotiable. We checked in with the experts -and the science

Not enough time to squeeze in strength training? Maybe think again. One study saw 10 of 19 female duathletes add twice-weekly strength sessions to their multisport programme. These comprised just four

How to get the most out of gym cardio equipment

What if you didn’t have to choose between aerobic and resistance exercise, but could get the benefits of both in every workout? Hybrid training is proving that strength and cardio gains can coexist – but only if they’re programmed well

How far, how fast, how often? An expert guide to the most important marathon training session

Lighter doesn’t always mean faster. Rob Kemp investigates why muscle and fuelling matter much more than the number on the scales