Journal Article10.1097/00007632-199310000-00015
Myofascial trigger points show spontaneous needle EMG activity.
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TL;DR: The authors hypothesize that TrPs are caused by sympathetically activated intrafusal contractions.
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Abstract: Monopolar needle electromyogram (EMG) was recorded simultaneously from trapezius myofascial trigger points (TrPs) and adjacent nontender fibers (non-TrPs) of the same muscle in normal subjects and in two patient groups, tension headache and fibromyalgia. Sustained spontaneous EMG activity was found in the 1-2 mm nidus of all TrPs, and was absent in non-TrPs. Mean EMG amplitude in the patient groups was significantly greater than in normals. The authors hypothesize that TrPs are caused by sympathetically activated intrafusal contractions.
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Citations
Auslösung von Phantomschmerzen und -sensationen durch muskuläre Stumpftriggerpunkte nach Beinamputationen
TL;DR: Whether/how myofascial stump trigger points (TPs) after lower leg amputations are able to produce stump pain (SP), phantom pain (PP), and sensations (PS) in the phantom limb is examined.
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Myofascial Trigger Point Diagnostic Criteria in the Dog
TL;DR: The human model of the myofascial trigger point [TrP] construct was used to develop a diagnostic and therapeutic approach to pain syndromes unresponsive to conventional medical or surgical therapy in the dog.
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[Mechanisms of muscle pain : significance of trigger points and tender points].
TL;DR: According to ACR criteria FMS is characterized by the presence of tender points whereas trigger points are typically found in MPS, and local treatment of trigger points either by manipulative therapy or injection appears to be most effective for prompt relief of symptoms.
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Myofacial trigger point
C. Gröbli,J. Dommerholt +1 more
TL;DR: The main criteria, for which the interrater reliability has been established, include the presence of a taut band, a local twitch response, an exquisite tender point within the tautband, and typical referred pain patterns.
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