This functional knee joint model provides a graphic demonstration of the anatomy and mechanics of the knee joint, allowing better doctor-patient or teacher-student understanding of the anatomy of the knee joint. Use this life-size and fully flexible knee joint to demonstrate abduction, anteversion, retroversion, internal/external rotation, and much more. The knee joint consists of portion of femur, tibia and portion of fibula; also includes meniscus, patella with quadriceps tendon and joint ligaments, including the ACL and PCL. This high quality anatomy model of a Functional Knee Joint is delivered on removable stand. Measures 4.7" x 4.7" x 13.4". NEW and exclusively with original 3B Scientific anatomy models - now enhanced with 3B Smart Anatomy. Your advantages with all 3B Smart Anatomy models: Free warranty extension from 3 to 5 years, free access to 3B Smart Anatomy courses in the award-winning Complete Anatomy app, this includes 11 3B Smart Anatomy courses with 23 lectures and 117 different views of interactive virtual models, plus 39 quizzes. To unlock these benefits, simply scan the label and register your 3B Smart Anatomy model online. All 3B Smart Anatomy features are completely free of charge. "Virtual meets Reality" developed by 3B Scientific makes learning human anatomy even more effective across all media.