As an athlete, if you want to improve something—your 100-meter time, say, or your deadlift PR—you’ve got to apply a challenge, some sort of “stressor,” and then follow it with a period of rest and recovery.
Supersize your gains with these tricks of the trade Professional bodybuilders look like testosterone incarnate. Their arms are the circumference of an average man’s thighs. They have 10-pack cobblestone
You don’t need any iron to build serious upper-body strength and work your muscles from head to toe Trade in your barbell for your body: The pushup is just as effective for building chest and arm strength