Treatment
Traditional Thai massage
Participants received a 30-min session of TTM for 9 sessions
over a period of 3 weeks around the scapula region while
lying on their side. The side-lying position was chosen to use
in the current study because the trigger points, such as the
trigger point of serratus posterior superior muscle, are
usually hidden beneath the scapular. Thus, the participants
were asked to perform transverse adduction of their arm
plus protraction of the scapula while lying on their
contralateral side. All TTM in this study was conducted by