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Comparing Multiple Versus Sustained Insertion Dry Needling Therapy for Myofascial Neck Pain: A Randomized Controlled Trial

Ann Rehabil Med. 2025 Aug;49(4):208-225. doi: 10.5535/arm.250052. Epub 2025 Aug 29.

ABSTRACT

OBJECTIVE: To compare the Hong (GH) and sustained insertion (GS) dry needling methods in patients with myofascial neck pain, this experimental study was conducted.

METHODS: A randomized controlled trial included 30 participants, assigned to either the GH (n=15) or GS (n=15) group. Each group received treatment on either the right or left side, with one side receiving experimental DN and the other receiving control (sham) DN. The GS method involved a single needle insertion per myofascial trigger point for one minute, while the GH method used multiple rapid needle insertions over two minutes without needle retention. Measurements were taken before therapy, 5 minutes post-DN session (post-5min), 24 hours post-session (post-24h), and 7 days post-session (post-7d). Muscle tension (MT) and muscle stiffness (MS) were measured with a myotonometer, pressure pain threshold (PPT) with an algometer, maximum isometric strength (Fmax) with a handheld dynamometer, and transcutaneous perfusion (PU) with laser Doppler flowmetry. Power Doppler Score (PDS) and minor adverse events were also recorded.

RESULTS: Results showed that GH led to significantly higher MT and MS values at post-24h and post-7d (p<0.001). In contrast, GS showed greater PPT and Fmax at post-5min, post-24h, and post-7d (p<0.001). Additionally, GH exhibited higher PU values at post-5min and post-7d (p<0.001), while GS showed higher PDS values at post-5min and post-24h (p<0.001).

CONCLUSION: The GH method resulted in less favorable outcomes in terms of MT and MS, while the GS method showed superior improvements in pain relief and functional recovery.

PMID:40899124 | DOI:10.5535/arm.250052

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