Fig. 7From: Reducing the extent of facetectomy may decrease morbidity in failed back surgery syndromeMaximum principle strain on the capsule. Model1 The complete model. Model2 The model after one-quarter excision of the superior articular process. Model3 The model after one-half excision of the superior articular process. L left side. R right side. F. Flexion. E. Extension. L. Left lateral bending. R. Right lateral bending. A. Axial rotationBack to article page