According to the Gate-Control Theory,a Back Massage Would Most Likely

Multiple Choice

According to the gate-control theory,a back massage would most likely reduce your physical aches and pains by causing the

A) release of pain-killing endorphins in your muscles.
B) activation of large nerve fibers in your spinal cord.
C) the release of adrenaline into your bloodstream.
D) deactivation of the pain receptors on the surface of your skin.