A person is able to abduct his arm, internally rotate it, place the back of hand on the lumbosacral joint, but is not able to lift it from back. What is the etiology
Refer Apleys Ohopaedics 9th p 345 The test described in the question is lift of test which is a test for subsacapularis muscle
Subsacapularis tendon tear
Teres major tendon tear
Long head of biceps tendon tear
Acromioclavicular joint dislocation
General anatomy