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Table 1 Experimental pain models eligible as interventions

From: Neuromuscular adaptations to experimentally induced pain in the lumbar region: protocol for a systematic review and meta-analysis

Injection/topical application of algesic substances

â–  Hypertonic saline

â–  Capsaicin

â–  Glutamate

â–  Acidic buffers

â–  Miscellaneous (e.g. serotonin, bradykinin, histamine)

â–  Nerve growth factor

Thermal stimulation

â–  Cold

â–  Contact heat

â–  Laser

Electrical nociceptive stimulation