1. Note the individual’s arm and leg movement.
2. In a discreet ad non-threatening way, mirror the movement.
3. Do this to improve your ability to build a connection with and demonstrate the importance of the other person.
See Richard E. Maurer and Jeffrey H. Tindall, “Effect of Postural Congruence on Client’s Perception of Counselor Empathy,” Journal of Counseling Psychology 30 (1983): 158-163.