How can I properly lift a box to avoid injury?

To properly lift a box and avoid injury, follow these steps:

1. Stand close to the box with your feet shoulder-width apart.
2. Bend your knees and keep your back straight.
3. Grip the box firmly with both hands.
4. Lift using your leg muscles, not your back.
5. Keep the box close to your body as you stand up.
6. Avoid twisting your body while carrying the box.