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. 2016 Dec 28;10:37–46. doi: 10.2147/JPR.S121315

Figure 1.

Figure 1

Timeline study procedures.

Notes: Interventions consisted of aerobic cycling, isometric knee extension and deep breathing as active control condition, followed by the pain measures and 30 minutes of rest. The numbers indicate the time in minutes. (a)This block was repeated twice.

Abbreviations: CPM, conditioned pain modulation; HR, heart rate; Borg, Borg’s Rate of Perceived Exertion scale.