- This is a direct percussion (clavicle acts as pleximeter finger): percussion is done by right middle finger.
- Over the most prominent part of clavicle, or
- Over the medial I /3 rd ol the clavicle, just lateral to its expanded medial end.
- During percussion, stretch the overlying skin downwards with the left thumb so that the percussing finger does not slip over the clavicle. It is a light percussion.