What describes the action of "vibration" in massage therapy?

Vibration in massage therapy refers to a specific technique characterized by a fine, tremulous movement that generally begins with a deeper pressure applied to the tissue. This action is designed to stimulate circulation and nerve endings, promoting relaxation and soothing tight muscles. The use of vibration can create a rhythmic effect that enhances the overall therapeutic experience, helping to relieve tension and improve mobility.

The other options do not accurately capture the essence of vibration in the context of massage therapy. While some techniques might involve compressing or lifting tissue, focusing solely on temperature reduction, or highlighting the relationship between opposing muscle contractions, they do not embody the unique qualities and effects associated specifically with vibration. Thus, choice C stands out as the correct description of this technique within massage therapy.