Current Concepts in Pathogenesis and Biomechanics of Adolescent Idiopathic Scoliosis
Keywords:
biomechanics, adolescent idiopathic scoliosis, classification, rotational imbalanceAbstract
Considerable progress has been made in the past two decades in understanding the pathogenesis and biomechanics of adolescent idiopathic scoliosis (AIS). Biplanar asymmetry has long been considered as the essential of idiopathic scoliosis. Median plane asymmetry is crucial for progression of idiopathic scoliosis.The presence of thoracic lordosis or hypokyphosis has been emphasized in the development of AIS. The changes in the cartilaginous endplate and the intervertebral disc are key factors in the progression of scoliosis and the way the curve responds to different therapeutic regimens. This article aims to analyze the current concepts in pathogenesis and biomechanics of AIS as well as to describe conservative and surgical treatment biomechanics. Biomechanical differences between AIS and degenerative scoliosis are also analyzed.
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