Percussion helps to map out the location of an organ by identifying its borders.
Indirect percussion uses finger of one hand acting as a hammer on the finger of another hand that acts as a striking surface.
Striking the finger or hand directly against a pt's body is indirect percussion.
Percussion is used to determine the density of a structure.
Best for low pitched sounds
Slight pressure is needed against the body
Should be used to hear hyperresonant sounds
Should be used to hear resonant sounds