Pathways Learn, practice, test … succeed! Our newest feature. Pathways have everything you need in one spot. Osteology: Femur Learn the femur, including including bone markings, sites of muscle attachment and joint articulations. Osteology: Humerus Learn the humerus, including bone markings, sites of muscle attachments and joint articulations. Osteology: Tibia and Fibula Learn the tibia and fibula, including bone markings, sites of muscle attachment and joint articulations. Osteology: Radius and Ulna Learn the radius and ulna, including bone markings, sites of muscle attachment and joint articulations. Osteology: Scapula and Clavicle Learn the scapula and clavicle, including bone markings, sites of muscle attachment and joint articulations. More coming soon!