Great article in Classical Music Magazine on the value of the Alexander Technique for musicians. This is a really well written and explains how the technique works to help musicians improve their performance and prevent and manage backpain, RSI and Nerves.
Video: Scientific experiments have shown us that posture impacts the mind and how we feel. Think about melting the tension away in your shoulders and you will also see that the mind impacts on your posture too. Harvard professor and researcher Amy Cuddy explains how posture can affect some of the biggest moments of our lives.
Significant long-term benefit for low back pain has been demonstrated by a major study published by the British Medical Journal on 20th August 2008.
The technique was developed by an Australian called F M Alexander in 1890s.  He was a talented actor but had a problem with his voice.