Surface Palpation - Shoulder Complex - Joints and Joint Motions
Acromioclavicular Joint
The articulation between the convex lateral clavicle and flat acromial concave end of the scapula.
Standing or sitting
For women, a gown over the non-examined side with the examined area exposed or a halter top is recommended. For men, removal of the shirt is requested.
Anterior, lateral or posterior to the patient.
 
May I place my fingers on your shoulder? (or point to the demonstrated area)
With the patient relaxed, gently place your fingers at the lateral end of the clavicle and adjoining scapula.
VH - close up of the superoanterior skeleton showing the shoulder.