Like the name suggests, HIIT training involves intense, max-effort movements followed by short rest periods. Those quick ...

The muscles of your shoulder girdle—chest, deltoids, lats, traps—all have multiple responsibilities. Your pectoralis major, ...

Stay strong and explosive by lifting lighter and faster. Here’s how to do it right. Most guys think the only trick to getting stronger is lifting heavy, but the real secret to building power is speed.