According to the gate-control theory,rubbing the lower back when there is pain would MOST likely reduce the pain by:

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Quizplus · Accepted Answer

Rubbing the lower back would activate A-beta sensory neurons, which are larger and faster than the A-delta and C fibers that transmit pain signals. The activation of these A-beta fibers would close the "gate" in the dorsal horn of the spinal cord, which would prevent or reduce the transmission of the pain signals to the brain. This is the basis of the gate-control theory of pain. Rubbing the lower back would not trigger the release of endorphins, cause the release of adrenaline, or deactivate the somatosensory cortex.

According to the Gate-Control Theory,rubbing the Lower Back When There