1. Secondly, they revealed the mechanism of'referred pain 'so often associated with visceral disease. 2. Referred pain by the patient results in one of positive findings.3. More importantly, the referred pain would dissipate even after the movements were stopped. 4. Referred pain can happen when the damage causes altered signalling to other areas.5. Knee pain can be either referred pain or related to the knee joint itself. 6. One example of this is referred pain in the calf. 7. Furthermore, referred pain appears in a different pattern in fibromyalgic patients than non-fibromyalgic patients. 8. Experimental evidence also shows that referred pain is often unidirectional. 9. Compression of a trigger point may elicit local tenderness, referred pain , or local twitch response. 10. Referred pain has been described since the late 1880s.
