OSTEOLOGY OF TIBIA DR SAJEELA FURQAN ANATOMY DEPT OBJECTIVES • • • • Side determination Describe upper end,shaft,lower end Muscle attachment X-RAYS Tibia • There are two bones in the leg • Lies medially • Is longer than the fibula • Is a weight-bearing bone • It is also called SHIN bone SIDE DETERMINATION • Upper end wide and expanded having two condyles • Triangular shift having sharp anterior border • Lower end having most medial bony projection called medial melleulus The Tibia is a long bone with expanded proximal end having following bony features Medial and lateral condyles Intercondylar area Intercondylar eminence Medial and lateral condylar tubercle Tibial tuberosity Lateral Tibial Condyle SHAFT OF TIBIA • BORDERS Anterior =sharp border Lateral = interoccious border Medial border SURFACES Lateral surface= upper fibular notch Medial surface Posterior surface=soliace line LOWER END OF TIBIA SURFACES anterior medial lateral posterior MEDIAL MELLOLUS LOWER FIBULER NOTCH INFERIOR SURFACE articulate with TALUS BONE to form ankle joint ARTICULATION • • • • KNEE JOINT SUPERIOR TIBIO FIBULER JOINT INFERIOR TIBIOFIBULER JOINT ANKLE JOINT NORMAL X-RAY OF LEG FRACTURES THANK YOU