This functional model provides a graphic demonstration of the anatomy and mechanics of the knee joints, allowing better doctor-patient or teacher-student understanding. Use this life-size, fully flexible joint to demonstrate abduction, anteversion, retroversion, internal/external rotation, and much more. Consists of portion of femur, tibia, and fibula, plus meniscus, patella with quadriceps tendon, and joint ligaments. Moveable joints. Includes stand. 6-1/2 in. x 4-3/4 in. x 13-1/2 in.