Hand placement in the control and intervention groups. Individual
Learn First Aid: Chest Compressions
Proper Hand Placement for Effective Chest Compressions
Landmark for chest compressions.
File:CPR Adult Chest Compression Sternum.png - Wikimedia Commons
CPR - adult - series—Chest compressions: MedlinePlus Medical
CPR Hand Placement: How to Position your Hands for Chest Compressions, be 2
How should your hands be positioned when doing chest compressions
Hand Position for CPR Chest Compressions