Blood lactate testing is a growing trend, but it only works if you know what to look for.

Lactate level and lactate threshold are hot topics in the fitness world. Researchers recently examined different sets of cleans - 3, 6, or 9 reps - to see how it changed lactate levels.

My wife is worried that exercise - especially training with weights - will interfere with breastfeeding. Will exercise decrease her milk supply?

Is the age old "talk test" actually a good measure of heart rate and exertion? A new study reveals the answer.