Papers
11
Total Citations
986
H-Index
11
About
Louis E. DeFrate is a prominent orthopaedic biomechanics researcher whose work has fundamentally advanced our understanding of knee joint mechanics, particularly concerning the cruciate ligaments and patellofemoral joint. His research has focused on three interconnected areas: anterior and posterior cruciate ligament (ACL and PCL) biomechanics, knee kinematics across the full range of motion, and patellofemoral contact mechanics under physiologically realistic loading conditions. DeFrate's most influential contributions include seminal investigations into how tibiofemoral kinematics influence patellofemoral contact pressures (169 citations) and how PCL deficiency biomechanically compromises knee function (129 citations). His rigorous in vitro experimental methodology, employing simulated muscle loads and robotic testing systems, revealed critical limitations of both ACL and PCL reconstructive surgeries in fully restoring native joint kinematics — findings with direct clinical implications for surgical technique and implant design. His work on high knee flexion kinematics (94 citations) filled a significant gap in the literature at a time when total knee arthroplasty designs were increasingly targeting deep flexion capability. Collectively accumulating over 1,000 citations across his top papers alone, DeFrate's research has shaped contemporary surgical decision-making and rehabilitation strategies, making him an essential reference point for clinicians and bioengineers working to improve outcomes in ligament reconstruction and joint preservation.
Research Focus
Key Achievements
Top Papers
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- 6Kinematics of the knee at high flexion angles: An in vitro investigation94 citations · 2003
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