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Trigger Points



Trigger Point ICD-9

Trigger Point Etiology / Epidemiology / Natural History

  • Discrete, focal, hyperirritable nodules located in taut bands of skeletal muscle
  • Myofascial pain syndrome is a painful muscle disorder caused by multiple myofascial trigger points.

Trigger Point Anatomy

Trigger Point Clinical Evaluation

  • Focal tender nodule can be palpated within a muscle. Trigger points are painful with compression and may cause referred pain, motor dysfunction and autonomic phenomena.
  • Often associated with muscles which under repetitive strain such as in sports: pitcher's elbow, golf shoulder.

Trigger Point Xray / Diagnositc Tests

  • Xrays of affected areas are normal.

Trigger Point Classification / Treatment

  • Massage, acupuncture, heat/ice, ultrasonography, TENs, elthyl chloride Spray Stretch technique, dry needling, trigger point injections.

Trigger Point Associated Injuries / Differential Diagnosis

Trigger Point Complications

Trigger Point Follow-up Care

Trigger Point Review References

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