When instructing a crew member concerning the right way to lift a weight, you would instruct him to __________.

Correct Answer: Option C — bend his knees and lift with his legs

Proper ergonomic lifting technique requires keeping the back straight and utilizing the powerful muscles of the legs to perform the lift. Bending at the knees minimizes spinal compression and reduces the risk of musculoskeletal injuries, which is a fundamental requirement of safe manual handling practices aboard vessels.