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
36 Degrees and the early legs of the "Meds" tour. It was also released as a B-side to the "Because I Want You" and "Song to Say Goodbye" singles under the title "36 Degrees 2005". It continues to be performed in various arrangements into 2016. Reviews of the song's performance during Placebo's "MTV Unplugged" concert stated that "‘36 Degrees’ (written by a 19-year-old Stefan and a 21-year-old Brian) becomes softer but it’s no less powerful as you’re drawn further into the lyrics of this song" and "In this setting ["36 Degrees"] becomes unexpectedly lush, underpinned by disarmingly subtle waves of piano and