"I want to lift weights to be stronger," says "Ella" (not her real name), 17. "But I don't want to look like a football player!" "Hey, I do want to look like a football player," says "Josh," 14. "I'm ...

As you train, remember the human body adapts slowly and therefore responds best to small gradual increases in training stress. Muscles, tendons, ligaments, bones, the circulatory system, the ...

The half marathon is the ideal distance if you want to challenge yourself in training (and racing), without dedicating so much time to running that it feels like it’s eating up all your time (cough ...