The document outlines various special tests for assessing shoulder, elbow, and wrist conditions, emphasizing the importance of a thorough history and physical examination before testing. It details specific tests for different shoulder instabilities, impingements, labral lesions, and other conditions, along with their sensitivity and specificity values. Key concepts such as sensitivity, specificity, and likelihood ratios are explained to aid in test interpretation, and guidelines for conducting tests comfortably and effectively are provided.