In 480 B.C., the new Persian king sent a massive army across the Hellespont to Thermopylae, where 60,000 Persian troops defeated 5,000 Greeks. The year after that, however, the Greeks defeated the Persians for good at the battle of Salamis.
1. (Weightlifting) the sport of lifting barbells of specified weights in a prescribed manner for competition or exercise.
Lifting heavy weights is more important to power lifters or those whose only goal is to increase their strength and ability to lift more weight. To build muscle, you have to stimulate the muscle by overloading it with a combination of heavy weights and more repetitions. More reps often necessitate using lighter weights. Muscle responds to the constant overload by getting bigger and stronger.