I would say when the patient is suffering from extreme muscle spasms, anxiety or stress; very possibly pulled muscles or muscle pain as well.
One of the most reported benefits of effective mediation is the increase in positive emotion. When you meditate successfully, you are more likely to approach life in a different perspective with more optimism and relaxation instead of stress and anxiety.
Answer: CENTRAL ZONE
Explanation: when the doctor performs a digital rectal exam it is back surface of the gland he is feeling. This is important because about %70-80 of prostate cancer originate in the peripheral.