0:00:00.000,0:00:01.960 (English captions by Andrea Matsumoto from the University of Michigan) 0:00:02.189,0:00:06.950 Infraspinatus and teres minor muscle strength[br]is tested with resisted external rotation. 0:00:06.950,0:00:09.820 Pain or weakness suggests a possibly tendinopathy[br]or tear.