{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,11]],"date-time":"2026-04-11T15:03:29Z","timestamp":1775919809015,"version":"3.50.1"},"reference-count":17,"publisher":"Human Kinetics","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2013,4]]},"abstract":"<jats:p>The purpose of this study is to describe an MRI-based EMG-driven knee model to quantify tibiofemoral compressive and shear forces. Twelve healthy females participated. Subjects underwent 2 phases of data collection: (1) MRI assessment of the lower extremity to quantify muscle volumes and patella tendon orientation and (2) biomechanical evaluation of a drop-jump task. A subject-specific EMG-driven knee model that incorporated lower extremity kinematics, EMG, and muscle volumes and patella tendon orientation estimated from MRI was developed to quantify tibiofemoral shear and compressive forces. A resultant anterior tibial shear force generated from the ground reaction force (GRF) and muscle forces was observed during the first 30% of the stance phase of the drop-jump task. All of the muscle forces and GRF resulted in tibiofemoral compression, with the quadriceps force being the primary contributor. Acquiring subject-specific muscle volumes and patella tendon orientation for use in an EMG-driven knee model may be useful to quantify tibiofemoral forces in persons with altered patella position or muscle atrophy following knee injury or pathology.<\/jats:p>","DOI":"10.1123\/jab.29.2.229","type":"journal-article","created":{"date-parts":[[2016,8,10]],"date-time":"2016-08-10T12:57:36Z","timestamp":1470833856000},"page":"229-234","source":"Crossref","is-referenced-by-count":7,"title":["Quantification of Tibiofemoral Shear and Compressive Loads Using an MRI-Based EMG-Driven Knee Model"],"prefix":"10.1123","volume":"29","author":[{"given":"Liang-Ching","family":"Tsai","sequence":"first","affiliation":[{"name":"1University of Southern California"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Irving S.","family":"Scher","sequence":"additional","affiliation":[{"name":"2Northwestern University"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christopher 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