Great push-up form starts with a rigid plank. Your arms should be fully extended, with your hands, elbows, and shoulders all in line, and your feet should be no more than 12 inches apart--the closer ...

The bench presses, cable crossover machines, and dumbbell pullovers of the world are all great for building up your chest. But even if you can't access any of that gear when you're at home, you can ...