Does having low levels of vitamin D hold you back on the running track? Are athletes more likely to have a vitamin D deficiency? Here’s the research.| The Manual
Recently, researchers revealed a simple hack that could make you more active, increase workout performance, and help you get more out of your workouts.| The Manual
Here's your ultimate guide to the best muscular endurance exercises to enhance your overall health and physical fitness, from planks to goblet squats.| The Manual
La Sportiva's new Prodigio mixes all-day comfort with lightweight speed. We tested it in the Vermont Green Mountains — here's how it performed.| The Manual
