Two-thumb-encircling hands technique is more advisable than 2-finger technique when lone rescuer performs cardiopulmonary resuscitation on infant manikin

The 2-thumb-encircling hands technique can produce a compression depth meeting the current guidelines recommendation without negative influence on ventilation, whereas the TF technique cannot. The 2-thumb-encircling hands technique generates a significant higher ratio of correct compression position than the TF technique. Furthermore, the 2-thumb-encircling hands technique is less fatiguing than the TF technique.