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Arch Phys Med Rehabil · Sep 1997
Comparative StudyReferred pain elicited by palpation and by needling of myofascial trigger points: a comparison.
- C Z Hong, T S Kuan, J T Chen, and S M Chen.
- Department of Physical Medicine and Rehabilitation, National Cheng-Kung University, Tainan, Taiwan.
- Arch Phys Med Rehabil. 1997 Sep 1; 78 (9): 957-60.
ObjectiveTo investigate the occurrence of referred pain (ReP) elicited by palpation (Pal-ReP) or by needle injection (Inj-ReP) of myofascial trigger point (MTrP), and to assess the correlated factors, including the pain intensity of an active MTrP and the occurrence of local twitch response (LTR).DesignCorrelational study.PatientsNinety-five patients who were treated with MTrP injections.InterventionMTrP injections.Main Outcome MeasurePain intensity of MTrP and occurrence of Pal-ReP, Inj-ReP, and LTR.ResultsBoth Pal-ReP and Inj-ReP were elicited in 53.9% of MTrPs, Inj-ReP, but not Pal-ReP, was elicited in 33.7% of MTrPs. Both Pal-ReP and Inj-ReP were unobtainable in 12.3% of MTrPs. The occurrence of ReP was significantly correlated to the pain intensity of active MTrP and the occurrence of LTR.ConclusionReP could be elicited more frequently by needling than by palpation. The frequency of occurrence in ReP mainly depends on pain intensity of an active MTrP.
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