The FIRST rule of safe lifting is to:

• A. Always lift with your palms facing down
• B. Spread your legs approximately 20" apart
• C. Keep your back in a slightly curved position
• D. Keep your back in a straight, vertical position

Answer: (D)

The first rule of safe lifting emphasizes the importance of maintaining a straight, vertical position of the back during the lifting process. This posture helps to protect the spine and reduce the risk of injury by ensuring that the force of the lift is distributed evenly across the body, particularly through the legs and core.

When lifting, keeping the back straight allows the body's strongest muscles—those in the legs and hips—to do most of the work, rather than relying on the more vulnerable muscles of the back. This technique minimizes strain and helps maintain proper alignment, reducing the risk of injury both during the lift and in the long term.

While other techniques or positions may contribute to an effective lifting strategy, the fundamental aspect of preserving the integrity of the spine through an upright back position is critical in the context of safe lifting practices.