<P> The Empty can test (Jobe's test) and Full can test (Neer test) are used to diagnose shoulder injuries . Specifically, these physical examination maneuvers examine the integrity of the supraspinatus muscle and tendon . </P> <P> In both tests, the patient is placed in a standing or sitting position, and the arms are raised parallel to the ground in the scapular plane . The tests differ in the rotation of the arm; in the Empty can test, the arm is rotated to full internal rotation (thumb down) and in the Full can test, the arm is rotated to 45 ° external rotation . Once rotated, the clinician pushes down on either the wrists or the elbow, and the patient is instructed to resist the downward pressure . </P> <P> The test is considered positive if weakness, pain or both are present during resistance . A positive test result suggests a tear to the supraspinatus tendon or muscle, or neuropathy of the suprascapular nerve . </P>

Difference between full can and empty can test
find me the text answering this question