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About

Arun J. Ramappa is a leading researcher in orthopaedic biomechanics, with a focused expertise in the complex mechanics of the shoulder joint, particularly the glenohumeral (GH) joint. His work is distinguished by the development of novel robotic systems to simulate realistic shoulder motion, moving beyond traditional cadaveric models. A key contribution is the design and manufacture of a robotic apparatus capable of replicating the three-dimensional dynamics of basic and pitching motion, a significant advancement for studying injury mechanisms. Using this system, Dr. Ramappa has made critical discoveries about the effects of common injuries, such as how simulated scapular winging alters GH translations and how supraspinatus tears compromise joint stability during the throwing motion. His research also explores surgical interventions, demonstrating that posterior capsular plication constrains the joint by drawing the humeral head closer to the glenoid. With his most-cited works accumulating over 75 citations, Dr. Ramappa’s innovative, simulation-driven approach provides foundational insights into shoulder pathology and treatment, making him a pivotal figure in the field of sports medicine and orthopaedic research.