 The manual technique than us apply, be sustained digital pressure with thumbs or with the 2nd-3rd fingers on the PGM below the pain threshold and gradually increases up to a ceiling of tissue resistance barrier, as decreases, adds more pressure. different times of sustained pressure and the number of repetitions depending on time 30 group 1, acts as a control, 60 group 2 and 90 seconds group 3 shall apply. 