The Clinical journal of pain
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Our primary goals were to determine whether preexisting fear of pain and pain sensitivity contributed to post-exercise pain intensity. ⋯ Combined, these findings suggest that the initial reports of pain after injury may be more strongly influenced by fear whereas the inflammatory process and pain sensitivity may play a larger role for later pain intensity reports.
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To determine whether the local and referred pain from active myofascial trigger points (MTrPs) reproduce the overall spontaneous fibromyalgia syndrome (FMS) pain pattern and whether widespread pressure hypersensitivity is related to the presence of widespread active MTrPs in FMS. ⋯ The local and referred pain elicited from widespread active MTrPs fully reproduced the overall spontaneous clinical pain area in patients with FMS. Widespread mechanical pain hypersensitivity was related to a greater number of active MTrPs. This study suggests that nociceptive inputs from active MTrPs may contribute to central sensitization in FMS.