Supine for posterior access
Place the patient supine with the shoulder adducted and the elbow flexed across the torso, stabilized by an assistant, a well-padded arm rest, or a cushion.
The patient lies prone with the arm on a radiolucent support, or (as illustrated) on a padded post.
Lateral decubitus position
Place the patient in lateral decubitus position with the upper arm supported by a padded post.
Supine for lateral access
Place the patient supine with the shoulder abducted and the arm positioned on an arm rest with the elbow flexed about 90°.
Supine for anterior access
The patient is supine. The arm is abducted, supported on a padded table for upper extremity surgery. The elbow is extended and the forearm supinated.