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Scoliosis cases with Cobb angles between 40 and 50 degrees at skeletal maturity progress at an average of 10 to 15 degrees during a normal lifetime. Cobb angles of more than 50 degrees at skeletal maturity progress at about 1 to 2 degrees per year. [8]
Scoliosis affects 2–3% of the United States population, or about five to nine million cases. [4] A scoliosis (spinal column curve) of 10° or less affects 1.5–3% of individuals. [100] The age of onset is usually between 10 years and 15 years (but can occur younger) in children and adolescents, making up to 85% of those diagnosed.
English: Graph showing the incidence of scoliosis progression according to the progression factor, which is calculated by the formula: Cobb Angle - (3 x Risser Sign) Progression Factor = ──────────────────────────────── Chronological Age
The management of scoliosis is complex and is determined primarily by the type of scoliosis encountered: syndromic, congenital, neuromuscular, or idiopathic. [1] Treatment options for idiopathic scoliosis are determined in part by the severity of the curvature and skeletal maturity , which together help predict the likelihood of progression.
John Robert Cobb (1903–1967), was an American orthopedic surgeon [1] who invented the eponymous Cobb angle, the preferred method of measuring the degree of scoliosis and post-traumatic kyphosis. Education
Adolescent idiopathic scoliosis (AIS) is a disorder in which the spine starts abnormally curving sideways between the ages of 10–18 years old. [ 1 ] [ 2 ] [ 3 ] Generally, AIS occurs during the growth spurt associated with adolescence.
The Scoliosis Research Society has proposed a range of 40° and 60° as measured between the upper endplate of Th12 and the upper endplate of S1. [18] Individual studies, although using other reference points, have found normal ranges up to approximately 85°. [18] It is generally more pronounced in females. [18]
Scoliosis is a common spinal disease in which the spine has a curvature usually in the shape of the letter "C" or "S". This is most common in girls, but there is no specific cause for scoliosis. [5] Only a few symptoms occur for one with this disease, which include feeling tired in the spinal region or backaches.