Use this feature to invite colleagues, clients, and associates to view this content item(s). Please supply your name and email address (for reply purposes) and the recipient's name and email address. To send the email, click the "Send" button. Fields marked with an asterisk are required. To return, click the "Cancel" button.
This 3D animation depicts the ACL (anterior cruciate ligament). The anterior cruciate ligament, or ACL, is one of the four main ligaments connecting the femur to the tibia. The ACL provides stability as you move your knee.