Hand model for rheumatoid arthritis. Full Size Hand: The model is of a full size right hand with cropped views to reveal the effects of rheumatoid arthritis on ligaments, flexor and extensor tendons, muscles, cartilage, bones, synovial membrane and joint spaces. Our anatomical models help to effectively educate the patient.The tactile and descriptive nature helps patients better understand their conditions and treatment plans.This can significantly increase the level of patient compliance. The hand model is a perfect display for patient education in a doctor's office or healthcare facility.It can also be used as a teacher's prop for classroom demonstrations.Use it in place of an anatomy poster. Model details: This product contains a model and a display base.Model size measures 6" × 3-2/5" × 7-4/5".