Which of the following symptoms indicates a need for further examination of the spine?

Numbness or tingling in a patient can indicate nerve involvement or potential damage to the spinal column, suggesting that there may be an issue that requires closer examination. These symptoms often point to neurological deficits, which may arise from conditions such as herniated discs, spinal cord injuries, or other trauma affecting the spine.

In contrast, symptoms like a mild headache may not necessarily relate to spinal issues, and normal sensation typically suggests that there is no obstruction or damage affecting the nerves. A high energy level is also not indicative of any spinal problem and often indicates a lack of distress or a healthy condition overall. Therefore, numbness or tingling stands out as a significant red flag that warrants further investigation to rule out any serious spinal conditions or injuries.