when performing cpr on an adult, you should push the chest at least inches deep.

When performing CPR on an adult, you should push the chest at least 2 inches (5 centimeters) deep but no more than 2.4 inches (6 centimeters). This depth ensures effective compressions that help circulate blood during cardiac arrest. It is recommended to use your entire body weight to push straight down on the chest, and allow the chest to fully recoil between compressions. The compression rate should be 100 to 120 compressions per minute for optimal results.