Massage reactions can refer to the physical and emotional responses that people have when they receive a massage. The two crossword solutions for this term are AAHS (4 letters) and AHS (3 letters). AAHS stands for Autonomic Arousal and Heart Rate Synchronization, which is a physiological response to massage that involves changes in heart rate and blood pressure. AHS stands for Affective and Health Status, which is a psychological response to massage that involves changes in mood and overall health.