Spinal deformities refer to the conditions of impairment of the backbone. These encompass various diseases associated with the spine such as spinal muscular atrophy, kyphosis, dorsalgia, ankylosing spondylitis, spina bifida, lumbar spinal stenosis, osteoporosis, spinal tumors and cauda equine syndrome. Spinal diseases also compose the diseases of cervical spine which are diseases of the vertebrae of the neck. Cervical spine is very flexible; because of this it is very likely for a person to damage that area over a long period of time. Some common diseases of cervical spine include cervical stenosis, cervical disc herniation and degenerative disc diseases. Neck pain is caused when spinal canal loses its gap and gets thinner. This book is a compilation of chapters that discuss the most vital concepts and modern management of spinal deformities. It presents researches and studies performed by experts across the globe. This book will serve as a reference to a broad spectrum of readers.