Research Article

Impact of Sagittal Balance on Clinical Outcomes in Surgically Treated T12 and L1 Burst Fractures: Analysis of Long-Term Outcomes after Posterior-Only and Combined Posteroanterior Treatment

Figure 3

The RKA (regional kyphosis angle) is measured between the tangent of the upper endplate of the cephalad vertebra of the fracture and the tangent of the lower endplate of the caudal vertebra.