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About

Joseph P. DeAngelis is a leading orthopedic researcher whose work focuses on the biomechanics of the shoulder, particularly the glenohumeral joint. His research addresses critical questions in sports medicine and orthopedic surgery, with a special emphasis on the throwing athlete. DeAngelis has made major contributions by developing innovative robotic systems to simulate complex shoulder motions, including pitching, enabling precise cadaveric studies that were previously impossible. His work has elucidated how scapular winging, supraspinatus tears, and posterior capsular plication affect joint translations and stability. For example, his 2013 study on simulated scapular winging (21 citations) and his 2014 analysis of supraspinatus tears in passive pitching motion (15 citations) have provided foundational insights into injury mechanisms and surgical repair. His 2015 paper on posterior capsular plication (15 citations) demonstrated how this procedure constrains the joint by drawing the humeral head closer to the glenoid, directly informing surgical techniques. With over 78 total citations across his most-cited works, DeAngelis’s research bridges engineering and clinical practice, offering valuable guidance for treating shoulder instability and rotator cuff pathology in athletes and active patients.