Explain the 'lift with your legs' technique and why it matters.

• A. Bend at the waist, keep the back straight, lift with back muscles and keep the load away from the body.
• B. Bend at the knees, keep the back straight, lift with leg muscles and keep the load close to the body to prevent back injuries.
• C. Jump while lifting to gain momentum.
• D. Lift with the arms only, keeping the back bent.

Answer: (B)