Direct, high-velocity techniques used to be done sometimes on patients under anesthesia so they would be perfectly relaxed, and tense muscles would not get in the way.
Iindlela ezijoliswe ngqo ezine-velocity ephezulu zazifudula zisenziwa kwizigulana ezilaliswe ngeyeza ukuze zingeva zintlungu ukuze zizole ngokupheleleyo zize nezihlunu eziqinileyo zingaphazamisi.