Plenty of us are guilty of going to the gym, picking the heaviest weight we can find and lifting it for a small number of repetitions. While this might help us build bigger muscles, it doesn’t improve ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." By the time I’m halfway through a cycling class, my leg muscles feel like they’re ablaze. When I’m doing ...

If you've wondered how to swim, run or cycle for longer; perform more reps of an exercise in the gym; or just find everyday tasks like carrying shopping easier, you might consider working on your ...