Definition
The manubrium is the broad, upper part of the sternum (breastbone). It connects to the clavicles (collarbones) and the first pair of ribs. Think of it as the "handle" of your sternum. It's wider and thicker than the rest of the sternum, providing a strong anchor point. It's crucial for protecting your chest and supporting your upper body. Imagine it as the top button on a shirt, holding everything together. It helps with breathing and movement, so take care of it!