Which statement indicates a need for further clarification regarding low back pain prevention?

The statement that indicates a need for further clarification regarding low back pain prevention is the one about sitting with knees lower than hips. This concept can lead to ergonomic issues if not understood correctly. The ideal sitting position for back health typically involves sitting with the knees slightly higher than the hips to promote a neutral spine posture, which helps distribute weight evenly and reduces strain on the lower back.

While the other statements express clear and understood principles for preventing low back pain—such as stretching, proper lifting techniques, and maintaining a neutral spine—the one concerning knee position needs more detail to ensure the individual understands the importance of maintaining proper ergonomics when seated. Adopting an incorrect sitting posture could inadvertently lead to back discomfort or injury, making it essential to clarify what is meant by sitting with knees lower than hips.