Running helps build muscles like your glutes, quads, and hamstrings. But you need to challenge yourself consistently or else you could lose muscle.

Ever wonder why some people seem to pack on muscle effortlessly while others spend months in the gym with little to show for it? Muscle growth isn't just about lifting weights -- it's a complex ...

Running obviously builds your endurance. While one mile (or five miles) might feel really hard when you first start running, those distances become much easier the more you get out there. Running also ...

New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today. Everyone is ...

Type IIb fast-twitch myofibers, known for their rapid contraction speed, are plentiful in small mammals but have largely diminished in humans. Researchers at the University of Tsukuba have discovered ...

Charles Poliquin, legendary for his training methods and unmistakably powerful arms, wasn’t called the 'King of Biceps' for nothing. Known for pushing the boundaries of muscle growth, Poliquin ...

How muscle changes with ageing, and tries to fight its effects, is now better understood at the cellular and molecular level with the first comprehensive atlas of ageing muscles in humans. Researchers ...