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Related Experiment Videos

Trigger points and tender points: one and the same? Does injection treatment help?

J Borg-Stein1, J Stein

  • 1Department of Physical Medicine and Rehabilitation, Newton-Wellesley Hospital, Massachusetts, USA.

Rheumatic Diseases Clinics of North America
|May 1, 1996
PubMed
Summary
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Myofascial pain syndrome involves trigger points in muscles, distinct from fibromyalgia

Area of Science:

  • Pain Medicine
  • Musculoskeletal Disorders
  • Physical Therapy

Background:

  • Trigger points are localized muscle areas causing pain and referral patterns.
  • Tender points, especially widespread ones, suggest fibromyalgia.
  • Trigger points typically indicate myofascial pain syndrome (MPS).

Purpose of the Study:

  • To differentiate between trigger points in MPS and tender points in fibromyalgia.
  • To explore the diagnostic challenges and variability in identifying myofascial pain.
  • To evaluate the efficacy of myofascial trigger point injections.

Main Methods:

  • Clinical examination to identify trigger points and tender points.
  • Review of existing literature on diagnostic criteria and interrater reliability.

Related Experiment Videos

  • Analysis of outcomes for patients receiving trigger point injections.

    • Main Results:

    • Trigger points are regional; widespread tender points suggest fibromyalgia.
    • Interrater reliability for trigger points is often low, causing diagnostic controversy.
    • Myofascial trigger point injections show potential benefits in selected patients.

    Conclusions:

    • Distinguishing MPS from fibromyalgia relies on the pattern and characteristics of pain points.
    • Standardized diagnostic criteria for MPS are needed due to examination variability.
    • Trigger point injections, combined with rehabilitation, may alleviate pain and improve function in MPS.