People who want to develop their lower chest muscles can try a range of exercises to strengthen the pectoral muscles. Some lower chest workouts include incline pushups and cable crossovers. The ...

Medically reviewed by Sanja Jelic, MD Key Takeaways The diaphragm is the main muscle used for breathing. The diaphragm helps ...

You use your chest muscles, or pecs, all the time—when you push a door, lift a child, or even just sit up straight. They're a key part of your upper body strength. By exercising your chest regularly, ...