Reflexology is taught by means of a series of seminars, classes, and training films. Certification is earned after a six month program that includes 200 hours of training. The certification training breaks down as follows: 28 hours of preliminary seminar training; 14 hours of advanced seminar training; 58 hours of self-directed study; and 100 hours of practical experience, including administering reflexology to a minimum of 15 people.
Muscles are layered on top of each other and over lap. Some muscles are right on the surface like your rectus abdominis (six pack ab muscles), and some are much deeper in the body like your Psoas muscle (deep hip flexor). So a DTM implies that the therapist is not just working on the superficial musculature, but reaching layers of muscle and fascia (connective tissue) further below the surface.