Research Article

Investigating the Effects of Three Needling Parameters (Manipulation, Retention Time, and Insertion Site) on Needling Sensation and Pain Profiles: A Study of Eight Deep Needling Interventions

Figure 3

Comparison of the eight interventions with respect to the number of subjects at each three-minute recording interval who had: neither pain nor needle sensation (a); both pain and needle sensation (b); only pain (c); or only needle sensation (d). In all cases, total number of subjects = 24.
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(a) No pain or needle sensation profile
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(b) Pain plus needle sensation profile
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(c) Pain without needle sensation profile
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(d) Needle sensation without pain profile