,THORACIC SPINE: , With the patient in the supine position on the operative table, the upper extremities were flexed at the elbow and crossed over the patient's chest to achieve maximum traction to the patient's thoracic spine. 
,THORACIC SPINE : , With the patient in the supine position on the operative table , the upper extremities were flexed at the elbow and crossed over the patient 's chest to achieve maximum traction to the patient 's thoracic spine .