Balanced and patient-specific harmonious spinal alignment is important for upright posture
maintenance, biomechanical stability, and to decrease energy used to stand and ambulate …

Study Design. Case-control study from a continuous series. Objectives. To study the impact
of perioperative sitting radiographs in adult spinal deformity (ASD) patients and determine …

Study Design. Retrospective observational study. Objective. Biomechanical and geometrical
descriptors are used to improve global alignment and proportion (GAP) prediction accuracy …

Study Design: Retrospective cohort study. Objectives: Violation of the posterior soft tissues is
believed to contribute to the development of proximal junctional kyphosis (PJK) …

BACKGROUND: Proximal junctional kyphosis (PJK) is a well-recognized complication in
patients undergoing posterior instrumented fusion procedures for adult spinal deformity …

Study Design. Retrospective analysis. Objective. To define thoracic compensation and
investigate its association with postoperative reciprocal thoracic kyphosis and proximal …

Osteoporosis is a bony structural disorder characterized by discontinuity and thinning of the
bony trabeculae leading to a decrease in the bone density despite a relatively normal …

OBJECTIVE Proximal junctional kyphosis (PJK) can progress to proximal junctional failure
(PJF), a widely recognized early and serious complication of multisegment spinal …

BACKGROUND Proximal junctional kyphosis (PJK) is a common radiographic complication
of adult spinal deformity (ASD) corrective surgery. Although previous literature has reported …

Background Long fusion to the sacrum has been demonstrated to increase the mechanical
failure rate after adult spinal deformity (ASD) surgery, and these mechanical failures are the …