what are the purpose, aim and desire of performing percussion?

The percussion is based on striking a blow against a chest full of fluid would produce a dull nouns. In contrast, if the chest was full of nouns, the blow would resonate for all to hear and for the percussor to perceive. Thihnking it was discoverd contained by early 18th century, it be an mpotant test for diagnosis. Today percussion is commanly used for finding and mesuring the spleen and the liver, diagnosing ascites, pericardial effusion and visualising the lung apex, when chest x-ray isn't plenty. The best advantge of percussion over the modern tecniques is that it non-invasive and totally free:)
Percussion in the diagnostic empire is used to determine if gas or fluid is present in areas of the human/animal body. It is used most recurrently in the belly to determine if a bowel problem is present. Ascultation is used in the tummy to determine if bowels sounds are present/absent which may indicate problems. Percussion and ascultation are used in most physical medical exams by robustness care professionals. Percussion/ascultation is not controlled to the abdomen.