Which of the following is NOT a typical method for diagnosing pain sources?

Therapeutic massage is not a typical method for diagnosing the source of pain. Instead, it is primarily a treatment approach aimed at alleviating discomfort, reducing muscle tension, and promoting relaxation. While therapeutic massage can be beneficial for managing pain or discomfort once a diagnosis is made, it does not provide the diagnostic information needed to identify the underlying cause of pain.

In contrast, blood tests, X-rays, and electromyography (EMG) are established diagnostic tools. Blood tests can reveal various medical conditions by analyzing markers in the blood, potentially indicating inflammation, infection, or other systemic issues. X-rays are commonly used to visualize the structure of bones and can help identify fractures or other skeletal problems that might be causing pain. EMG assesses the electrical activity of muscles and can help diagnose nerve or muscle disorders, providing critical insight into the causes of pain.