Cobb angle below the fracture. The Cobb angle is the preferred method of measuring post-traumatic kyphosis in a recent meta-analysis of traumatic spine fracture classifications. 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. Those with Cobb angle of more than 60° usually have respiratory complications. Cobb angle The Cobb angle, named after the American orthopedic surgeon John Robert Cobb (1903–1967), was originally used to measure
98 Degrees 98 Degrees 98 Degrees (stylized as 98°) is an American pop and contemporary R&B vocal group consisting of four vocalists: brothers Nick and Drew Lachey, Justin Jeffre, and Jeff Timmons. The group was formed by Timmons in Los Angeles, California, although all of its members originate from Ohio. Unlike most boy bands, they formed independently and were later picked up by a record label, rather than being assembled by a label or a producer. They have sold over 10 million records worldwide and achieved eight top 40 singles in the U.S. The group reunited for a one-time performance at Mixtape