Features Learning Aids: Clearly show the structure and shape of the knee joint. Consists of parts of the femur, tibia and fibula. Demonstrate the anatomy and mechanics of the knee joint. Ideal for hobbyists interested in the human skeleton, suitable for learning or course development. Widely Used: Used by clinicians and therapists to demonstrate patellar trajectory problems, meniscus tears, medial or lateral ligament strains, infrapatellar tendinitis, and sites of Osgood Slatter disease and knee osteoarthritis; allows for patient education and can Improves sport persistence and commitment by providing insight. Knee Anatomy Model: This anatomical medical knee model is bent at the knee joint to clearly show the structure and shape of the knee joint. It shows abduction, flexion, extension, anteversion (internal) rotation, and posterior (external) rotation of the knee joint, as well as sliding motion of the patella. Durable Material:The knee joint anatomy model is made of high quality PVC plastic. Works well and is durable. Mounted on a solid white base, removable. Note: When purchasing, please pay attention to whether our product size meets your needs. We wish you a pleasant shopping experience and a happy life. Descriptions: The knee joint is a joint with a large and complex structure and more chance of injury. The life size human  model can show the structure and shape of the knee joint, bending, stretching and turning in/out. It is an ideal mold for enthusiasts interested in human bones. Features: 1. Clearly show the structure and shape of the knee joint. 2. Vivid to simulate the bending, stretching and inward / outward rotation of knee joint. 3. Demonstrate the anatomy and mechanics of the knee joint. 4. Consists of portions of femur, tibia and fibula. 5. Ideal for hobbyists interested in human bones. Specifications: Material: PVC Size: Approx. 32 x 11 x 11cm / 12.6 x 4.3 x 4.3in Overall Length: 32cm/12.6in Weight: Approx. 811g Package Includes: 1 x Knee Joint Model  Note: Please allow 1-3mm error due to the manual measurement. Thanks for your understanding. Package List