Lowest part of sternum. May cause loss of consciousness due to severe trauma to liver, stomach and heart, leading to shock and to disturbance of nervous system and loss of motor functions.
Concavity just below sternum. May cause loss of consciousness due to trauma to stomach and liver, leading to damage to adjacent regions above and below, which may affect the nerves that control function of other internal organs.
Point about one inch below naval. May cause loss of consciousness due to trauma to small iintestine and bladder and may affect large blood vessels and nerves in the abdomen, which may cause shock and loss of motor functions.